A gravitational-wave telescope on the Moon could span the gap between Earth-based and space-based observations.
Our measurements of cosmic expansion might be better than we’ve thought.
Astronomers have found the first evidence that black holes follow the laws of thermodynamics.
Astronomers have seen two mergers between a black hole and neutron star.
A radio telescope on the Moon could see the radio aurora of Earth-like worlds.
A new idea for detecting gravitational waves might allow us to discover planet-mass primordial black holes.
Life could thrive in the atmosphere of warm gas planets, but only if they are seeded by asteroids.
Astronomers have solved the mystery of dim Betelgeuse, and discovered how stardust can form.