Former Google chief executive Eric Schmidt and his wife, Wendy Schmidt, have committed private funding to four ambitious ...

Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of ...

When the Earth-orbiting Hubble Space Telescope was serviced by spacewalking NASA astronauts in May of 2009, the Space Shuttle had a stowaway: a camera. The repair mission was being filmed for a new ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A dramatic rise in the number of internet satellites ...