When black holes merge, what happens inside of them is anybody's guess. Black hole mergers are beautiful — and some of the most violent events in the cosmos. Here's how the process unfolds.

The first moving images of a black hole could reveal swirls of plasma and collapsing stars, deepening our understanding of ...

A professor of astroparticle physics and radio astronomy at Radboud University in the Netherlands, Falcke is one of the leads of the Event Horizon Telescope (EHT), a global network of telescopes ...

Directed by Paul W. S. Anderson, the film follows a crew of astronauts on a rescue mission after the missing titular starship ...

If true, this theory could explain how all of the matter in our universe was created.

Along the lunar orbital path, the point of closest proximity is known as perigee, which is when the moon is, on average, ...

Hubble has homed in on a nearby star called R Aquarii, which is throwing out material for billions of miles around it.

The “dirty snowball” could be visible to Calgarians as early as Friday evening, but the real show begins when Comet A3 makes ...

It's "one of the brightest comets in our lifetimes", and only becomes visible every 80,000 years, so no wonder the science ...

The once-in-a-lifetime comet “orbits the sun only once every 80,000 years,” one that was last seen by the Neanderthals. But ...

Mr. Musk has volunteered his sperm. Never miss an eclipse, a meteor shower, a rocket launch or any other astronomical and space event that’s out of this world. People all over North America ...

The once-in-a-lifetime comet “orbits the sun only once every 80,000 years,” one that was last seen by the Neanderthals. But ...