The milestone was reached on the second launch of a coast-to-coast doubleheader.

Now that the first stellar-mass black hole in Omega Centauri has been discovered, astronomers suspect that this will open the ...

"Nearby isolated white dwarfs are usually easy to find, but we couldn't see these four stars directly." ...

SpaceX's massive Starship, the world's largest and most powerful rocket, is scheduled to launch its critical test flight no ...

What could we be looking at?

The astronauts on board the private Fram2 Crew Dragon mission in 2025 took the first ever medical X-rays in space.

Liftoff is scheduled for 10:47 a.m. ET.

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

Scientists have directly measured the magnetic field surrounding the speedy neutron star. When you purchase through links on ...

"The debris in geosynchronous orbit is a potential minefield." When you purchase through links on our site, we may earn an ...

The Extremely Large Telescope is looking quite large in this exciting moment. When you purchase through links on our site, we ...

The temperature of some sub-Neptunes could rise to several thousand degrees, turning the ground into a lava bath.