Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

NASA astronaut Mike Fincke will set an agency record when he makes his 10th ever spacewalk Jan. 8, 2026, along with Zena ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

A new video shows the evolution of Kepler's Supernova Remnant using data from NASA's Chandra X-ray Observatory captured over ...