Brandon Specktor

The discovery of 62 'irregular' moons orbiting Saturn brings the planet’s total to 145 — and hints at a chaotic past.

A rogue black hole may not be to blame for a mysterious streak of stars coursing through space, a new study suggests.

Scientists studying a star system in Orion witnessed one of the most powerful stellar eruptions ever seen — and it could be devastating to nearby planets.

Astronomers zoomed in on the dusty rings around Uranus in a new series of stunning James Webb Space Telescope images.

The potentially hazardous asteroid 2023 FM is larger than a 40-story building and will zoom within 7.5 lunar distances from Earth on Thursday, April 6, according to NASA.

An enormous coronal hole wider than 20 Earths has opened in the sun's atmosphere, and NOAA experts predict a moderate geomagnetic storm Friday (March 24) as a result.

Albert Einstein's theories of relativity have been proven to be true time and again in the more than 100 years following their publication.

Thousands of pieces of space debris, also known as space junk, are orbiting Earth — posing a significant threat to satellites, spacecraft and astronauts.

The newly discovered asteroid 2023 DW could collide with Earth in February 2046, although the odds of an impact are low.

The National Science Foundation zooms in on the tattered scraps of SN 185, which appeared over our planet 1,800 years ago and was the first supernova ever recorded in Earth's skies.

Four new studies confirm that NASA's DART mission, which crashed a rocket into the asteroid Dimorphos, changed the asteroid's trajectory and could potentially save Earth one day, given enough time to prepare.

NASA astronaut Josh Cassada photographed a gorgeous green aurora from space, capturing the impacts of a solar storm that swept over our planet.

On March 1 and 2, Jupiter and Venus will appear side by side in the night sky in an event called a conjunction, which is visible without a telescope or binoculars.

A trio of enormous asteroids, including two 'potentially hazardous' ones, will cross Earth's orbit around the sun this week, according to NASA. Here's what that means.

Scientists detected a cloud of gas sculpted into a wonky tadpole shape near the Milky Way's center, possibly pointing to a rare intermediate-mass black hole.

The U.S. military shot down three unidentified objects in a single weekend. Why are America's skies so filled with UFOs all of a sudden?

A long, looping filament of plasma snapped over the sun's north pole, creating a 'polar vortex' that scientists can't explain.

A broken hill, an ancient crater and the human tendency to find faces everywhere may explain the teddy bear on Mars.

The Danuri spacecraft arrived in lunar orbit in Dec. 2022, and its first image dump is out of this world.

An amateur astronomer witnessed the moment that the green comet C/2022 E3 had part of its tail blasted away by a coronal mass ejection.

The green comet C/2022 E3 (ZTF) will make a close approach to Earth on Feb. 1/Feb. 2 before sailing off into deep space, possibly never to return.

Nearly half of all new UFO cases opened in 2022 cannot be explained, Pentagon officials wrote.

New time-lapse images of the beautiful Butterfly Nebula come closer to explaining its spectacular strangeness.

A minor G1-class geomagnetic storm will hit Earth right as our planet reaches perihelion, its closest point to the sun.

From "rogue" black holes cruising the cosmos to one of the oldest black hole ancestors in this universe, this year's findings truly sucked us in.