New findings explain the Phoenix cluster's mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own.

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...

A nearly 98 percent chance it won’t hit us is pretty good. Second, while that’s definitely a massive rock, it’s not like a ...

On the Webb telescope, 18 hexagonal mirrors combine to form a massive primary mirror that is 21 feet (6.5 meters) across. The ...

YR4 has a roughly 2 percent chance of hitting Earth in 2032, and “is large enough to cause localized damage,” NASA says.

The James Webb Space Telescope (JWST) has been allocated emergency observation time to study asteroid 2024 YR4, which has been classified as potentially hazardous. The space rock was identified in ...

There is a 2 percent chance that seven years from now, “the city destroyer” will hit Earth with the force of an 8-megaton ...