Using the Australian SKA Pathfinder (ASKAP), astronomers have discovered a new long-period radio transient source, which ...

Using the James Webb Space Telescope, astronomers have discovered an example of a new class of exoplanet, and it smells like ...

The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors—a small, gas-rich galaxy visible to the ...

The planet's environment would make it unlikely to sustain life.

An illustration of two stellar-mass black holes merging in the accretion disk of an active galactic nucleus. (Shu-Rui Zhang) ...

Astronomers have uncovered evidence of a dramatic cosmic crash unfolding around a distant star. While reviewing archived ...

Astronomers have slammed SpaceX and Reflect Orbital plans for unnaturally brightening skies and disrupting ecosystems.

Hundreds of mysterious objects have appeared in images captured by the Webb space telescope. The curious dots could reshape ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

New research suggests that the highly magnetized remnants of stars are responsible for powering some of the universe’s most ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary ...