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

On July 2, 1985, the European Space Agency launched the Giotto space probe to get a close-up look at Halley's Comet. Nearly ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

Pieces of Mercury may have been found on Earth, potentially allowing scientists to study the Solar System's innermost planet.

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

The star HIP 67522 with a flare erupting toward an orbiting planet, HIP 67522 b, is depicted in this illustration released by ...

The flares may heat up and inflate the planet's atmosphere, which is dominated by hydrogen and helium. Being lashed by these ...

Axiom Mission 4, featuring ISRO astronaut Shubhanshu Shukla, is scheduled to launch to the International Space Station on Wednesday, with SpaceX repor ...

Astronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...

Although it doesn’t pass resolutions or make binding decisions, the IGF serves as a space for dialogue and collaboration.

Axiom Mission 4 (Ax-4), the fourth private astronaut mission to the ISS, is set to launch on June 25 after multiple delays. Led by Peggy Whitson, the mission includes ISRO astronaut Shubhanshu Shukla, ...

The SpaceX Dragon spacecraft carrying the Axiom Mission 3 crew is pictured approaching the International Space Station on Jan ...