Gravity-1, the world's most powerful solid-fuel rocket, aced its third-ever mission on Tuesday night (July 21).

Let's explore this latest look at Denis Villeneuve's epic close-out to his 'Dune' magnum opus ...

"Tidal disruption events help us probe the population of light supermassive black holes." When you purchase through links on ...

A seemingly ordinary asteroid has revealed its icy true identity — and new clues for spotting hidden hazards near Earth.

The MRV-MEP mission is designed to extend the operational lives of multiple satellites in geostationary orbit.

"Whether we want to be in the combat zone or not, orbital mechanics will put all of our space capabilities into the space war ...

Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter ...

"Federal officials are racing to fork over America's public lands to one of wealthiest corporations on Earth before the ...

"The real challenge is that this is still an area that we don't completely understand. We get surprises now and again." ...

"We didn't anticipate big discoveries, given how extensively the planet has been studied, but we did complement Mars science ...

We travel back in time with a historic "first" photo.

Grab your clothes, your boots, and your motorcycle because it's time to party like it’s the summer of 1991.