Since a potentially hazardous asteroid was detected in December, tens of others objects have come close to Earth.

For over 30 years, astronomers have relied on Type Ia supernovae to measure the universe’s expansion. These stellar ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

The Asteroid Terrestrial-impact Last Alert System, or ATLAS, telescope in Rio Hurtado, Chile, first discovered 2024 YR4 on ...

The chances of an asteroid striking Earth within the next decade has more than doubled in a matter of weeks, according to ...

Using a revolutionary dark energy camera, astronomers have discovered the largest haul of "missing link" intermediate-mass ...

The world's largest telescope continues to take shape on the Cerro Armazones mountain in Chile's Atacama Desert.

The James Webb Space Telescope has shown that the Milky Way’s black hole is constantly blazing with light, releasing long flares as well as short flashes every day.

The chances of an asteroid striking Earth within the next decade has more than doubled in a matter of weeks, according to ...

NASA first discovered “2024 YR4,” the 130-to-300-foot-wide asteroid, in December 2024, and found it only had roughly a 1 ...

The biggest challenge for Sunita William and Butch Wilmore's will be gravity as it would feel like a punishing force while ...