Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

The heliosphere, a cosmic bubble formed by the Sun, protects our solar system from interstellar threats and influences life's ...

The Solar System continues to surprise us day after day and its presence in terms of dominance and expansion goes far beyond ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

New connections discovered between the Sun's photosphere and CI chondrites meteorites, providing clues about the origin of materials.

The Radcliffe Wave is a massive, undulating structure filled with dense clouds of gas and dust, stretching across several ...

How do we power missions in the outer reaches of our solar system and beyond? The solution, developed in the '60s, can last ...

Uranus' accidental discovery 240 years ago greatly enhanced our understanding of the solar system, doubling the size of the ...

Currently at Vandenberg Space Force Base, the mission is awaiting launch on March 11, 2025 alongside another NASA mission, ...