Latvia has signed the Artemis Accords, which outline norms of behavior for safe space exploration, joining a group of now 60 ...

"Callisto, Themis and Skyhopper are different demonstration programs contributing to the development of a European reusable ...

The International Space Station is marking 25 years of nonstop human presence in orbit. Nearly 300 people have lived aboard ...

What you're looking at here is the aftermath of a sun-like star that eventually reached the end of its life and poofed out ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could ...

A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...

ESA has provided more details about the multi-pronged security program it is seeking more than one billion euros for at its ...

The European Space Agency's upcoming Henon mission will be the first ever CubeSat to independently venture into deep space, ...

A University of Houston scientist was part of an international research team that found satellite monitoring can help make ...

Even tsunami waves aren't usually as towering as those created by this storm, which could be seen from space and created an ...

Stargazers using telescopes should be able to see the object in the predawn sky beginning Nov. 11, according to EarthSky.