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

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

The massive, 1,100-foot-wide asteroid Apophis is currently hurtling toward Earth at an astonishing 19 miles per second, setting the stage for a historically close cosmic encounter in 2029. Our latest ...

An illustration of the collision. (Andy Tzanidakis) A distant star whose light suddenly flickered like a guttering candle has ...

T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University of São Paulo. It was 2018, and the discovery had just ...

The observatory aims to answer a number of questions about the universe by studying different phenomena in the sky, including supernovae (exploding stars), asteroids, dark matter and the properties of ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

Astronomers witnessed planets colliding 11,000 light-years away, an event that could shed light on the collision that created Earth's moon.

A new study, published in The Astrophysical Journal, finally changes that. Using data from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX), researchers built a three-dimensional map of ...