Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

It's the so-called "Milky Way season" in the Northern Hemisphere. Here's everything you need to know about viewing the galaxy ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

The burst was so bright that it bounced off the Moon and illuminated Earth’s upper atmosphere, surpassing the brightness of a ...

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

Now the diameter of the known universe can be described as 558 billion trillion miles (that’s 558 followed by 21 zeros) or 28 gigaparsecs. If you’re like most astronomers, I’m pretty sure which size ...

The universe is full of unknown celestial objects, and scientists have only begun to scratch the surface of understanding ...

While this may sound scary, there is little chance humanity will survive to see the end of the universe. In about five ...

That means returning from the moon, the Artemis astronauts will be traveling at around 0.0037% the speed of light. Assuming a ...

Bechtol and his fellow scientists hope they can learn more about the universe than all of scientific progress has allowed in ...

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic ...