BELA laser awakens aboard BepiColombo after years of silence, preparing to map Mercury in 3D and explore its surface and ...

Oyashio stellar stream reveals clues to dark matter in a distant galaxy. Explore Hubble’s discovery, the evidence, and the limits of models.

Primordial helium measurements reach 0.5% precision, revealing the Big Bang’s first minutes and offering a sharper test of ...

Deimos asteroid impact may explain its smooth surface, deep debris and porous interior. Explore Hera’s evidence and what MMX ...

I/ATLAS origins point to a freezing birthplace below −240°C. Discover how nitrogen in its tail reveals clues about its ...

Moon formation simulations suggest an intact Moon emerged in five hours. Explore how rock strength and temperature could ...

The Sun swallowed a planet billions of years ago: that possibility could explain some puzzling features inside our star. New ...

Earth’s magnetic field offers a new dark matter search with intriguing signals and stronger limits. See what scientists found and must test.

The M74 hidden disk reveals young stars far beyond its familiar spiral arms, giving new clues to rapid galaxy growth and a ...

Stellar explosions forge elements through complex nuclear reactions. Two recent studies reveal how supernovae and X-ray ...

A GRB 221009A photon may have crossed the cosmos when standard models predict it should have disappeared along the way. Its ...

Oxygen in an early galaxy reveals rapid stellar enrichment. Learn how Webb and ALMA trace chemistry before the cosmos was 300 ...