This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

There are 8 planets in the solar system, each unique in size, distance, ... Mercury has a rocky surface that is heavily cratered. Mercury is nearly the same size as Earth’s Moon.

Southwest Research Institute has collaborated with Yale University to summarize the scientific community's notable progress ...

Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

Hycean worlds are also called ocean worlds. They're planets covered in oceans that also have thick hydrogen atmospheres.

As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

Astronomers have added two more exoplanets to a growing study aimed at finding out whether rocky worlds near small, faint ...

Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most radiation-intense ...

Scientists have spent decades scouring the Martian surface for any signs of life. Now, a photo snapped by NASA 's Curiosity ...

The first images from the Vera C. Rubin Observatory showed off a breathtaking preview of its capabilities — capturing millions of stars and galaxies light-years from Earth, along with thousands ...