Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.

The pre-dawn sky on April 25, 2025 will see a conjunction of Venus, Saturn and a waning crescent moon, which will resemble a ...

Skywatchers worldwide are in for a charming cosmic display before the Sun rises Friday, as three celestial bodies will appear in close conjunction.

New research suggests that the largest cosmic structure is even bigger and closer to Earth than we knew. It goes against ...

"We want to understand how these galaxies are forming stars, how many stars they’re forming, and especially how the black ...