Astronomers have catalogued more than five thousand planets orbiting distant stars, and a handful of them defy almost ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to reach somewhere truly empty? Our first stop is the International Space ...

After spending nearly eight years crossing the inner Solar System, ESA and JAXA’s BepiColombo spacecraft has reached one of ...

One would think that this excellent question would be easy to answer: A bucket full of “deep space” would contain essentially nothing — and, well, there you are! Outer space is, after all, the closest ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in starlight turned out to be massive rings of plasma swirling in the stars’ ...