Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

The Helix Nebula, located 650 light-years from Earth, has baffled scientists for decades. The planetary nebula was created by ...

A new X-ray look at the mesmerizing Helix Nebula reveals an alleged planet killer: a white dwarf that might be the source of ...

This colorful image of the Helix nebula may mirror what someday could become of our sun and our home planet. Released on ...

NASA has discovered a new world, named Gliese 12 b. It is roughly the size of Earth, lies in the habitable zone, and orbits every 12.8 days.

A new image from the James Webb Space Telescope shows thousands of glittering galaxies that it spied by peering through ...

Convection processes beneath Venus' scorched surface may help explain the planet's many volcanoes, a new study reports.

Scientists have just discovered four small, rocky exoplanets orbiting Barnard’s Star, the nearest single star to our solar ...

Scientists at the Harvard-Smithsonian Center for Astrophysics are leading a major part of NASA’s new SPHEREx mission to study ...

When a star comes to the end of its life and dies, it can be an epic and destructive event, throwing out an explosion of heat and light — but it can create stunning new forms as well. A gorgeous new ...

A 40-year-old space enigma has been unraveled: a white dwarf star at the center of the Helix Nebula has been annihilating a ...