A "solar fireworks show" lit up the solar system just in time for the United States' 250th birthday. The sun emitted a strong solar flare on Saturday, which peaked at around 4:41 p.m. ET, NASA said.

Earth receives about 7 percent less light during aphelion than during its closest approach to our star, yet the average ...

NASA’s New Horizons spacecraft is heading toward one of the most significant milestones in modern space exploration. After ...

An image shot on a handheld Nikon during the recent Artemis II lunar mission has revealed new insights into the evolution of ...

High above the remote Pacific Ocean, about halfway between Hawaii and the northernmost part of Australia, an air-launched ...

A pair of new studies are looking to define this boundary as NASA’s New Horizons spacecraft hurtles towards it. They have ...

NASA’s James Webb Space Telescope found methane, aerosols, and a tidal heat signature on WD 1856 b — a Jupiter-sized world ...

Interstellar comet 3I/ATLAS may be older than our solar system, offering a rare glimpse into the early galaxy.

A three-armed spacecraft rocketed into orbit Friday to rescue a NASA telescope that's in danger of crashing back to Earth.

Katalyst Space's LINK spacecraft is designed to capture and boost NASA's Swift observatory back to a safe altitude.

The planet should not have survived the star's red giant phase—which sees a star balloon to more than 100 times its original ...

NASA is marking the United States' 250th birthday with four striking red, white, and blue images of deep space from the ...