"There is a growing chasm between theory and observation related to the early universe, which presents compelling questions ...

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

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 ...

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

“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 ...

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 ...

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

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 ...

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 ...

This program area serves as an authoritative forum for space science policy and applies engineering expertise to aerospace challenges. Our work sets research priorities and guides policy in ...