An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why ...

The Webb telescope detects a clear, hydrogen-rich atmosphere, as well as water vapor, on the hot sub-Neptune planet TOI-421 B ...

A pair of new studies has revealed that the hellish skies of exoplanet WASP-121b contain silicon monoxide gas, which has ...

With 3.2 billion pixels and a decade-long search, the Rubin Observatory will reveal what’s been hiding in plain sight.

Astronomers have been left puzzled by the discovery of an unusually large planet orbiting a remarkably small star, a cosmic ...

Giant planets are not rare per se — after all, we have four in our own solar system. Such large worlds are, however, rarely ...

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

Most of the stars across the Milky Way are small red dwarfs like TOI-6894, which has only 20% the mass of our Sun ...

To mark the 60th anniversary since the first U.S. spacewalk, we’ve compiled a collection of 10 awesome images captured during ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

Dozens of NASA's spaceflight missions that launched from Florida could be in jeopardy under a budget proposal from the Trump ...

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that govern it. In particular, there is the long-standing question of whether or ...