Tag

Jezero Crater

All articles tagged with #jezero crater

Martian Gem Found: Perseverance Detects Corundum in Jezero Rocks
science11 days ago

Martian Gem Found: Perseverance Detects Corundum in Jezero Rocks

NASA's Perseverance rover used time-resolved luminescence spectroscopy to identify corundum, a gemstone mineral that forms rubies and sapphires, in three plagioclase-rich float rocks at Jezero Crater—marking the first detection of corundum on Mars and suggesting formation under heat and fluids possibly tied to the crater's ancient impact; findings published in Geophysical Research Letters highlight new clues about Mars' geological history and the potential for sample-return studies.

First Martian Corundum Detected: Tiny Gem Grains in Jezero Crater Rocks
science12 days ago

First Martian Corundum Detected: Tiny Gem Grains in Jezero Crater Rocks

NASA's Perseverance rover identified chromium-bearing corundum grains (the mineral behind rubies and sapphires) in three plagioclase-rich float rocks at Jezero Crater using time-resolved luminescence spectroscopy, marking the first detection of corundum on Mars. The grains imply aluminum-rich, silicon-poor chemistry likely formed during ancient impacts or hydrothermal activity; spectral matches to Earth corundum suggest a surprising Martian geology, and returning a sample could confirm exactly how this mineral formed.

Mars Dust Devils Duel: Perseverance Captures One Swallowing Another
space27 days ago

Mars Dust Devils Duel: Perseverance Captures One Swallowing Another

NASA’s Perseverance rover captured a dramatic Martian dust devil overtaking and swallowing a smaller one near Jezero Crater: the larger vortex was about 65 meters wide while the smaller was around 5 meters. Dust devils are common on Mars and contribute roughly half of the planet’s atmospheric dust, so observing their interactions helps scientists map wind patterns and Martian weather, with each event lasting about ten minutes.

Mars rocks harbor robust organic carbon, but life remains unproven
space1 month ago

Mars rocks harbor robust organic carbon, but life remains unproven

NASA’s Perseverance rover has detected macromolecular carbon—durable, complex organic matter—in two ancient mudstones in Jezero crater, identified by the SHERLOC spectroscopy instrument. The rocks—Cheyava Falls and a formation at the Bright Angel outcrop—show organics associated with different mineral settings, suggesting multiple organic-forming processes over time. While this represents the most extensive organic detection on Mars to date, the findings do not prove biology; the origin could be abiotic. Also, a 2026 funding shift means Mars Sample Return is unlikely this decade, so the cores remain on Mars for now.

Mars rocks reveal strongest carbon hint yet toward ancient life, but not proof
space1 month ago

Mars rocks reveal strongest carbon hint yet toward ancient life, but not proof

NASA's Perseverance rover found macromolecular carbon on bare rocks at Jezero crater's Bright Angel outcrop—the richest, most complex carbon yet detected on Mars—an intriguing hint toward past life, but not proof since it could be abiotic; confirming its origin will require Earth-based analysis of returned samples, with Cheyava Falls slated for return but subject to program changes. The carbon shows up across multiple rocks and settings, suggesting Mars’ ancient environment may have supported carbon-based chemistry beyond a single site.

Ancient Martian mudstones reveal organic carbon, fueling habitability debate
science1 month ago

Ancient Martian mudstones reveal organic carbon, fueling habitability debate

NASA’s Perseverance rover studied mudstones in Jezero Crater and found macromolecular carbon in two rocks, Cheyava Falls and Walhalla Glades. The carbon shows similarities to Earth carbon from both biotic and abiotic processes, offering clues about Mars’ ancient habitability but not proof of life; scientists say sample return to Earth is needed for definitive testing.

Mars Orbiter Captures Perseverance Completing a Martian Marathon
space-exploration1 month ago

Mars Orbiter Captures Perseverance Completing a Martian Marathon

NASA’s Mars Reconnaissance Orbiter captured Perseverance finishing the 26.2-mile Martian marathon in Jezero Crater on June 14, 2026, a milestone that accompanies the rover’s ongoing science—imagery, samples and potential biosignatures—with a orbital perspective on its continued exploration; nearby, Opportunity also reached marathon distance in more than a decade of driving.

Martian Leopard Spots Spark Astrobiology Debate in Jezero Crater
science1 month ago

Martian Leopard Spots Spark Astrobiology Debate in Jezero Crater

Perseverance drilled Cheyava Falls in a Jezero Crater mudstone and found organic carbon intertwined with iron-rich minerals forming “poppy seeds” and “leopard spots.” The minerals, vivianite (iron phosphate) and greigite (iron sulfide), are often linked to microbial activity on Earth, but abiotic processes could explain them too. While the finding is intriguing and helps contextualize ancient Martian habitability, it stops short of life detection and highlights the need for detailed terrestrial analysis of returned samples.

Martian organics, two-liquid water and all-female Homo naledi headline this week’s science news
science1 month ago

Martian organics, two-liquid water and all-female Homo naledi headline this week’s science news

NASA’s Perseverance rover has found the highest concentration of complex organic molecules to date in Jezero crater, hinting at past microbial life on Mars; JWST observations show early galaxies forming and dying quickly, a newborn star was seen in Orion, and Euclid produced the Milky Way’s most detailed image yet. In paleoanthropology, nearly two dozen Homo naledi skeletons from Rising Star cave are all female. Closer to home, AI-assisted research adds support to the idea that water may consist of two interconverting liquids.

Mars Rock Reveals Complex Organics: Fresh Clues in Jezero Crater
space2 months ago

Mars Rock Reveals Complex Organics: Fresh Clues in Jezero Crater

NASA’s Perseverance rover detected macromolecular carbon (MMC), a complex organic matter, in two Bright Angel mudstones at Jezero crater using the SHERLOC instrument, marking the most robust organic signal there to date and the first MMC identified on Martian rock surfaces. While intriguing, MMC can form through both biological and non-biological processes, so this does not prove past life; definitive testing would require returning samples to Earth, a plan hampered by political issues. Curiosity has also found organics elsewhere on Mars, underscoring ongoing interest in whether ancient microbes once inhabited the planet.

Mars rocks reveal organic carbon, sharpening hunt for ancient life in Jezero
science2 months ago

Mars rocks reveal organic carbon, sharpening hunt for ancient life in Jezero

NASA's Perseverance rover detected hundreds of organic detections and macromolecular carbon in two mudstones from Jezero Crater's Bright Angel formation, the strongest organic evidence yet from that site. The carbon's origin—biological or abiotic—remains unclear and will require Earth-based analysis of samples Perseverance is collecting for eventual return under NASA's Mars Sample Return program, with a possible window from 2035 to 2039. This finding builds on earlier Curiosity results, suggesting ancient Mars had the chemistry to support life.

Mars Rock Hints at Ancient Life, But Earth-Based Proof Is Needed
space-science2 months ago

Mars Rock Hints at Ancient Life, But Earth-Based Proof Is Needed

Analysis of Martian rock Cheyava Falls by Perseverance’s SHERLOC and WATSON detected macromolecular carbon, a potential sign of ancient organics and past habitability in Jezero Crater; but MMCs can form abiotically, so a definitive conclusion requires returning samples to Earth—an effort whose future remains uncertain amid stalled Mars Sample Return plans.

Perseverance uncovers Mars' largest cache of complex organic carbon near Bright Angel
space2 months ago

Perseverance uncovers Mars' largest cache of complex organic carbon near Bright Angel

NASA’s Perseverance rover found macromolecular carbon in the Bright Angel outcrop at Jezero Crater—the highest concentration of organic molecules detected on Mars to date. SHERLOC mapping and comparisons with Curiosity’s Gale crater data link the carbon to ancient, water-rich conditions and potential habitability, but the finding is not proof of life; a definitive biosignature would require future samples or more data.

Perseverance Finds Complex Carbon in Martian Mudstones, Sparks Life-Biosignature Debate
space2 months ago

Perseverance Finds Complex Carbon in Martian Mudstones, Sparks Life-Biosignature Debate

NASA’s Perseverance rover detected hundreds of organic macromolecules inside two mudstones in Jezero Crater using SHERLOC, marking the strongest organic signal yet from Martian rocks. While the findings boost the possibility that ancient Mars could have hosted life, scientists caution the carbon could also form through non-biological processes, and the rover’s instruments can’t confirm biotic origin. The study, published in Science Advances, complements a prior potential biosignature at Cheyava Falls and suggests organics may have been widespread on early Mars, though more testing and sample return are needed.