Space Exploration

Researchers have just come a step closer to uncovering the secrets of an alien planet that may be the most likely of all known extrasolar worlds to host life.

The search for alien technosignatures has dramatically expanded, thanks to a new experiment called COSMIC.

After declaring last year that we're in a space race, NASA Administrator Bill Nelson is now unconcerned that China will beat the United States in returning astronauts to the moon.

The most experienced U.S. astronaut has hung up her flight suit. Peggy Whitson came to Space Center Houston for the reveal of her Axiom Space flight suit as it was placed on public display.

Astrobotic's Peregrine moon lander snapped another in-space selfie as it cruised away from Earth, toward a date with lunar destiny that it can no longer keep.

The brightest fast radio burst ever observed flashed from a group of ancient galaxies, the Hubble Space Telescope has found, and astronomers are surprised.

SpaceX's massive, reusable Starship rocket made two test flights in 2023, and company representatives now say the third flight test could come as soon as February 2024.

A Kuaizhou 1A solid rocket launched four Tianmu-1 weather satellites on Jan. 5, on the first of what will be many Chinese missions in 2024.

British researchers have tested a prototype self-eating rocket that could launch tiny satellites cheaply and without leaving any debris behind.

On Jan. 9, China launched its Einstein Probe to observe the X-ray sky, hunting for high-energy light from neutron stars, feeding black holes and other exotic objects.