The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

NASA's OSIRIS-REx mission is scheduled to return samples of Asteroid Bennu to Earth. Credit: NASA Goddard Space Flight Center ...

The Artemis program’s eventual goal is to set up the first ever lunar space station, which will orbit the moon. It would host ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.

Here's how the first crewed lunar flyby in 50 years builds on Artemis 1.

For anyone curious about what it's like to stand on another planet, Earth offers a few convincing previews. Mars may be 140 ...

As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the spacecraft’s heat shield.

NASA has dismissed viral claims that Earth will briefly “lose gravity” in August 2026, calling the theory scientifically ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction in ...

NASA’s James Webb Space Telescope captured mesmerizing new images of the Helix Nebula. With the use of Webb’s NIRCAm, pillars ...

Nitrogen, upon which all life on Earth depends, may hold the key for explaining how early life on the planet evolved and how it could evolve on other planets.