Space

The first galaxies in the universe seemed to be more massive than we expected.

Polaris Dawn is setting the stage for what will occur in low Earth orbit once NASA leaves the International Space Station, as the U.S. is planning to do.

The hatch of the Crew Dragon spacecraft opened for the first time into nothingness. Four people were exposed to the vacuum of space, and two peered through a ladder.

At this point, the most likely hypothesis points to an extraterrestrial event.

They're traveling farther than anyone else has in half a century.

Although they debuted to widespread ridicule, military officials seem to like the sci-fi look.

One of the engines failed, but it was in a different section than the one that caused problems during the outbound flight. Fortunately, there were no consequences.

Russia has requested the cosmonaut's resignation letter.

Researchers recreated a virtual ISS with dozens of volunteers to find out why space food tastes so bland.

The destruction of SpaceX’s mega-rocket on its second flight created one of the largest holes ever detected in the ionosphere, the ionized layer of the atmosphere.

A few days ago, NASA released the first images of a newly discovered asteroid, 2024 JV33.

Cosmologists have limited knowledge about dark matter, and much of it is speculative. As a matter of fact, the nature of dark matter is one of the biggest mysteries in astrophysics.