The universe

Astronomers have traced a starnge blast of radiowaves that repeats every 2 hours back to a dead star white dwarf magnetically slamming its stellar companion.

Astronomers have discovered the smallest dwarf galaxy ever seen. It is a mystery how the satellite galaxy of Andromeda survived the blistering conditions of the early universe.

Earth's largest iceberg has run aground off the coast of South Georgia Island, a common rendezvous spot for big bergs, new satellite images show.

Organisms known as extremophiles have been found inhabiting a range of extreme conditions on Earth, including inside our bodies. Could they be on Mars, too?

Natural cycles in Earth's rotational axis and its orbit around the sun drive climatic changes, and now researchers have matched up specific points in those cycles to the timing of ice ages.

Data sent to Earth by its MAPP moon rover on Intuitive Machines' ill-fated IM-2 mission will help Colorado company Lunar Outpost prepare for future lunar voyages.

A paper published in 2023 spurred discussion about whether life exists on an exoplanet named K2-18b. Two years later, the puzzle continues — and some scientists are expressing doubt.

Strange events at the heart of the Milky Way could point toward a new dark suspect that annihilates to influence the chemistry of the cosmos.

If gravity arises from entropy, scientists could unite Einstein's general relativity with the quantum realm while shedding light on dark matter and dark energy.

Mysterious planetary mass objects that wander the cosmos alone could be created when young star systems clash. They aren't planets or stars, but are in a cosmic class of their own.