The smallest disk identified, meanwhile, stretched to just 0.6 AU – closer to the star than the Earth is to the Sun.

At a distance of just over four light years, Proxima Centauri is our nearest stellar neighbor and is known to be a very ...

The Moon will reach perigee, which is the point in its elliptical orbit where it is closest to Earth, on Saturday, March 29.

NASA is tracking a bus-sized asteroid that will be zooming past the Earth today at a speed of nearly 28,028 miles per hour. The space rock, known as "2025 FO6," is estimated to be about 35 feet across ...

Red specks in the early universe are puzzling astronomers, but a proposed explanation suggests they are the progenitors of ...