From the outside, Portal Space Systems’ headquarters looks like a standard-issue office space in a Bothell business park. But ...

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

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

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

Powering spacecraft with solar energy may not seem like a challenge, given how intense the sun's light can feel on Earth.

The first time you may have heard the term ‘dwarf planet’ was when Pluto got demoted to one in 2006 (RIP). However, we actually have six in our Solar System. Pluto, Ceres, Makemake, Haumea, and Eris ...

The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Weather has delayed NASA’s launch of the SPHEREx telescope to uncover the ingredients for life in our galaxy, as well as the PUNCH mission to study the sun’s mysteries.

Astronomers have been looking for exoplanets orbiting Barnard's Star – the nearest solitary star to our Solar System, at just ...

NASA’s PUNCH mission is tracking solar storms in 3D, revealing how the Sun’s corona transforms into solar wind, helping ...