A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Today's mission, which lifted off from SpaceX's Starbase site in South Texas, was the 11th overall test flight for the ...

The European Space Agency (ESA) shared more data on the 3I/ATLAS interstellar comet after pointing to Mars orbiters at it.

The James Webb Space Telescope has changed the game for planet hunters. Recent readings found what look like the first clues ...

More than two billion years ago, Earth experienced one of the most important turning points in its history: the rise of ...

A natural satellite is simply a celestial object that orbits a planet or a smaller body. Unlike the ones we build and send up ...

"The detection of heavy water … proves the water's ancient heritage and provides a missing link between clouds, disks, comets ...

So, even if the holidays bring long rains, perhaps it’s something to appreciate. Compared to diamond, steel, or glass, the ...

"Complex chemical reactions" discovered in fresh ice grains from Saturn’s moon Enceladus renews hopes that it may harbor life ...

SpaceX is preparing for its 11th Starship launch from Starbase, Texas, as Florida residents and officials raise concerns ...

Kevin Tang, an eighth grader from Hacienda Heights, California, earned the title of "America's Top Young Scientist." Check out his project.

Hidden in Japan’s bubbling hot springs, scientists may have found living echoes of Earth’s earliest organisms: survivors from ...