Revolutionary technique allows astronomers to capture incredibly high-resolution images of distant galaxies and supermassive black holes.

YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.

When looking at our solar system, the planets going around the sun seem to be set up in a pretty organized fashion. They are ...

The chances of an asteroid hitting the Earth with enough force to destroy a small country have been increased to 1 in 43.

Just how scientifically accurate is Ridley Scott's adaptation of The Martian? As it turns out, it's pretty darn accurate!

This single-frequency technique is also useful for monitoring the ionosphere total electron content (TEC) using a space target without very accurate prior knowledge of its orbital parameters. All ...