China is practicing “dogfighting” satellites as part of its expanding capabilities in space, according to the United States Space Force, which warned that Washington’s key rivals are closing ...

Finance and more. Satellites like the ones used for Starlink’s internet service could be depleting the Earth’s ozone layer when they’re deorbited, according to a new study funded by NASA and ...

Space is getting crowded — humans have now placed over 20,000 satellites into orbit since the start of the space age, and there are plans to launch thousands more over the next few years.

With the exception of Pluto, planets in our solar system are classified as either terrestrial (Earth-like) or Jovian (Jupiter-like) planets. Terrestrial planets include Mercury, Venus, Earth ...