Research

Liquid water on Mars questioned; new SHARAD radar observations suggest bright reflections beneath south polar ice cap likely result from...

New crater on the moon discovered by NASA's Lunar Reconnaissance Orbiter; scientists call 72-foot impact a "freckle" formed between 2009...

JWST may have found the 1st stars in the universe; Population III stars detected in galaxy LAP1-B seen 800 million...

Negative magnitudes of astronomical objects explained; why brighter celestial bodies have negative numbers in magnitude scale from Hipparchus to modern...

Scientists create key to find alien life in clouds—new reflectance spectra of atmospheric microbes enable detection of biosignatures on cloud-covered...

Planets may create their own water during formation; new study suggests habitable worlds in the universe are far more common...

The Milky Way's dark heart may be shaped like a box, new simulations show dark matter annihilation could explain gamma-ray...

Debate on dark matter resolved by dwarf galaxy analysis—study shows visible matter alone cannot explain gravitational fields, supporting dark matter...

Is dark matter controlled by a secret "fifth force"? New study finds dark matter obeys gravity but cannot exclude a...

Biggest black hole flare ever detected erupts near J2245+3743, releasing 10 trillion suns' energy as supermassive black hole tears apart...