Today in the history of astronomy, the first photo of Earth by a satellite is taken.

ULA Vulcan Launch completes its first National Security Space Launch mission, taking the reins from the Delta IV Heavy for ...

Using AI, astronomers discover a new type of supernova, SN 2023zkd, the strongest evidence yet of a dying star being ...

14. The Sun emits a continuous stream of plasma called the solar wind. On Earth, the most visible effect of the solar wind is the production of the northern and southern lights, the aurorae. Intense ...

The solar system’s smallest planet is just now becoming visible before dawn. Bright Jupiter and Venus point the way.