The mission provided details about how to deflect an asteroid should one threaten Earth in future.

A new study suggests that exposure to green spaces in urban areas has positive benefits for mental health.

We know particles from spacecrafts are in the stratosphere. But what this means for the ozone layer or the climate is still unknown.

Black holes spill food all the time, but researchers have caught a black hole "flipping over the table" during an otherwise civilized meal.

The extreme object could tell us more about the environment around black holes.

Can astronauts spend prolonged time in close quarters millions of miles from Earth without killing each other?

The capability for attacking satellites in space using cyber technology is advancing fast

Destroying satellites in space can lead to cascades that are hard to predict.

Researchers are developing smart, robot-built sandbag shelters for NASA astronauts on the moon inspired by termite mounds.

Russia isn’t likely to put nuclear missiles in space, but their reported anti-satellite weapon is just as alarming. An expert on nuclear strategy explains.