To capture unprecedented, high-resolution images of distant exoplanets, NASA is actively developing a mind-bending mission that uses the Sun’s massive gravitational field as a giant magnifying glass.

French astronomer Charles Messier did not intend to be remembered for his discoveries of galaxies, nebulae, and stars ...

Planning to run this year’s Messier marathon? March 14/15 and 21/22 are the best nights to give it a go. Your ideal order ...

NASA astronomers using the Chandra X-ray Observatory have discovered a vast, million-degree gas bubble surrounding HD 61005, a 100-million-year-old Sun-like star about 120 light-years away. Its ...

Using Event Horizon Telescope observations of M87's black hole from 2017, 2018 and 2021, "astronomers have found some changes in this now iconic image that could be caused by variations in the ...