Missing: One Black Hole With 10 Billion Solar Masses

One of the biggest galaxies in the universe seems to lack its dark centerpiece. …

NASA's SLS Rocket to the Moon Faces Setback After Test

An ground ignition of the engines of the Space Launch System was halted after only about…

NASA’s Space Launch System Hot-Fire Test: When to Watch

Before NASA’s giant Space Launch System can go to the moon, it needs to ignite its…

Missions to Mars, the Moon and Beyond Await Earth in 2021

Here’s a preview of what to expect in space and astronomy in the year to come. …

Meteor Showers in 2021 That Will Light Up Night Skies

All year long, Earth passes through streams of cosmic debris. Here’s a list of some major…

Was That a Dropped Call From ET?

A spooky radio signal showed up after a radio telescope was aimed at the next star…

Neptune’s Weird Dark Spot Just Got Weirder

While observing the planet’s large inky storm, astronomers spotted a smaller vortex they named Dark Spot…

A Winter Solstice, a Meteor Shower, Jupiter and Saturn Walk Into Your Night Sky

One day that has room for three distinct astronomical events. Click here for original…

The Newest Guardians of the Galaxy Are Run by the U.S. Military

On the first-anniversary celebration of the newest branch of the U.S. armed forces, Vice President Mike…

This Solstice, Solace for the Darkness

A rare conjunction of planets serves as a reminder that there is more to the universe…