A new suggestion that complexity increases over time, not just in living organisms but in the nonliving world, promises to ...

There are a lot of satellites, and a lot of trash, around our planet — and the quantities are only going to get higher.

The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

Primordial black holes are ancient mysteries, born in the universe’s earliest seconds. Unlike regular black holes, they weren ...

Scientists have discovered four new Earth-like rocky planets orbiting Barnard's Star, just six light-years away. Using ...

Scientists at the Harvard-Smithsonian Center for Astrophysics are leading a major part of NASA’s new SPHEREx mission to study ...

DESI's first dataset maps 18.7 million celestial objects, aiding dark energy, galaxy, and universe expansion studies.

Modern continental rocks carry chemical signatures from the very start of our planet's history, challenging current theories about plate tectonics.

Experts have unveiled the most detailed images yet of the universe’s infancy, capturing light that traveled for more than 13 billion years.