Hubble Space Telescope observations suggest supermassive black hole jets double the frequency of nova explosions. But how?

If you've ever attended a star party, it's more than likely that the astronomer on site pointed out the Andromeda Galaxy (M31 ...

Before Edwin Hubble, there was Henrietta Leavitt, whose work made other astronomers’ discoveries possible. Her way of looking ...

Tech pioneer Charles Simonyi talks about the Simonyi Survey Telescope — and his own trips to space — in the GeekWire Podcast.

What better way to end than with some examples of said beauty and utility? After all that reading, we'll leave you with a few glamour shots of our favorite nebula: Messier 16, better known as the ...

But it's JWST also made a shocking discovery, which one physicist has called a 'crisis' in the way we understand the universe ...

I have rarely brought passing comets to sky-watchers attention through my column; not because they are rare, but because most ...

"This is WILD. This is an 'emission line' from hydrogen gas, where an electron drops down an energy level and gives off a ...

Astronomers have constructed telescopes of every kind - massive observatories designed to pick up faint traces of light ...

Astronomers have discovered a black hole emitting energy in jets longer than the width of 140 Milky Way galaxies.

The spiral galaxy IC 1954 is located approximately 45 million light-years away in the southern constellation of Horologium.

Very little information is available about the various spy satellites orbiting our planet. But some of them have been caught ...