TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

The Solar System is vast, made up of eight planets, countless moons, and millions of asteroids, all orbiting the Sun. But like any territory, it has a boundary. This boundary is invisible, yet it ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

"Gaia provides the first accurate view of what our section of the Milky Way would look like from above," Lewis McCallum, an ...

Gauging the mass of a black hole is tricky, but astronomers have devised multiple methods to measure the heft of these galactic gluttons ...