A passing star has been discovered that could cause chaos in the Solar System, sending Earth flying out of orbit.

The James Webb Space Telescope has spotted MoM z14. It is the most distant galaxy ever seen. This galaxy existed 280 million ...

LIGO Hanford engineers swap out a fiber cable in a vacuum squeezer during the October 2019 commissioning break at the ...

Invisible radiation leaking out of private satellites, like SpaceX's Starlink spacecraft, is disrupting radio astronomers' ...

There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

The mystery object, located just a short 15,000 light-years from Earth in our Milky Way galaxy, was spotted emitting unusual ...

Facing deep federal research funding cuts and a tightening academic job market under the Trump administration, several UC ...

At least three sizable asteroids that could potentially strike Earth are currently located in a neighboring region of our ...

Black holes are infamous for being invisible. But thanks to a new technique from the Event Horizon Telescope (EHT) team, ...

Astronomers from the International Center for Radio Astronomy Research (ICRAR), in collaboration with international teams, have made a startling discovery about a new type of cosmic phenomenon.

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...

Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times stronger, and its ...