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White Dwarf Debris at J1328-1450 Reveals Planetary Fate
Astronomers using ESO's Very Large Telescope discovered a double debris disc around white dwarf J1328-1450, revealing two stable rings sculpted by surviving planetary bodies.
Teghaza 001 is the Oldest Martian Meteorite Found on Earth
NASA-funded researchers confirmed that the Teghaza 001 meteorite formed over 4.1 billion years ago, providing new evidence of ancient Martian magma and water.
Circadian Rhythm Mechanisms and How Body Clocks Keep Time
An overview of circadian rhythm biology, detailing how the suprachiasmatic nucleus, molecular clock genes, and peripheral tissue oscillators direct daily physiology.
Hubble and Webb Capture Ghostly Cat’s Head Nebula
Hubble and the James Webb Space Telescope have observed the Cat's Head Nebula in Carina, revealing hidden stars and gas dynamics across visible and infrared light.
Small Cell Lung Cancer Burden Tracked Through Liquid Biopsy
Researchers at Northwestern Medicine and collaborating institutions showed that liquid biopsy can profile active gene expression and track small cell lung cancer burden.
Astronauts Anil Menon and Joshua Kutryk Begin ISS Spacewalk
Astronauts Anil Menon and Joshua Kutryk stepped outside the International Space Station on October 29 to install a roll-out solar array, marking the 100th spacewalk from the Quest airlock.
Prebiotic Chemicals Survived Comet Impacts Far Less than Thought
New orbital and atmospheric simulations show comet impacts rarely delivered fragile prebiotic molecules to early Earth, challenging a long-standing origin hypothesis.
Manx Shearwaters Suffer Seabird Jet Lag on Fast Ocean Crossings
GPS tracking reveals that rapid east-west flights across the Atlantic cause seabird jet lag in Manx shearwaters, desynchronizing their body clocks and throwing their sun compass off course.
Mitosis Vs Meiosis: How Cell Division Changes Chromosome Counts
Mitosis and meiosis are eukaryotic nuclear division processes with distinct biological goals: mitosis maintains chromosome numbers in somatic cells, while meiosis creates genetically diverse haploid gametes.
Anatomy Explains Why Buttock Shape Does Not Reveal Estrogen
Social media claims suggest buttock contours reveal estrogen and cortisol levels, but clinical anatomy confirms bone geometry and genetics govern pelvic shape.