Astronomers at the University of Maryland found that a surprising burst of rocky debris released during the DART mission ...

SpaceX successfully launched 26 more Starlink satellites into low Earth orbit from southern California, further expanding its megaconstellation.

Scientists are almost sure that there is a ninth planet. But a study by Japanese astronomers hints that this might not be true. A new cosmic body called a sednoid has been discovered near the Kuiper ...

Eruptions of plasma piling atop one another, solar wind streaming out in exquisite detail -- the closest-ever images of our ...