After a major winter storm swept across the country in late January, a prolonged surge of Arctic air tightened its grip on ...

When young stars mix with neutron stars, things get messy.

A new image from NASA's Hubble Space Telescope shows the Lupus 3 cloud in Scorpius bursting with young stars that are forming ...

The number of satellites in space continues to rise due to the deployment of megaconstellations. For decades, humanity has sent about 200 satellites every year into space. You need just a couple of ...

“Megaconstellations” of vast numbers of satellites could threaten space-based astronomy, scientists have warned. In recent years, companies such as Elon Musk’s SpaceX have launched thousands of new ...

A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth's nearest celestial neighbor is set to take center stage in 2026, with major lunar missions and a rare solar eclipse ...

KAIST researchers tested optical frequency comb lasers as reference signals for radio astronomy, aiming to synchronize radio telescopes with light-based timing in VLBI observations.

Launched on 1 July 2025 from the Kennedy Space Center in Florida aboard a SpaceX Falcon 9 rocket, MTG-S operates from a geostationary orbit, about 36 000 km above Earth’s surface and is able to ...

After a string of dramatic failures, the huge Starship rocket from SpaceX had a fully successful test on Oct. 13, 2025. A couple more test flights, and SpaceX plans to launch it into orbit. A month ...