A group of astronomers analyzing data from the James Webb Space Telescope ( JWST) say some of the oldest galaxies in our ...

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...

Our team has now provided tentative evidence for a sulphur-rich atmosphere on a world that’s 1.5 times the size of Earth and located 35 light years away. If confirmed, it would be the smallest known ...

A team of astronomers has identified a rocky planet with a mass similar to Earth’s, orbiting a white dwarf star approximately ...

Legendary Star Lacks Evidence for Large Planet Construction Ever since the dawn of human consciousness, skywatchers have been ...

Vega provided the first telescopic evidence of a disk of planet-forming material, but there are no planets to be found around ...

This NASA/ESA Hubble Space Telescope image features NGC 1672, a barred spiral galaxy located 49 million light-years from ...

This week, we examine how the incoming administration’s policies will shape U.S. national defense and global issues.

Astronomers have discovered a supermassive black hole in a distant galaxy that is consuming matter at an extraordinary rate, surpassing the theoretical Eddington limit by more than 40 times.

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M.

Imagery of Saturn captured by the James Webb Space Telescope is superimposed over an image captured by Hubble. "Yellows ...

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space ...