A Constant Vigil Satellites operate as the vigilant eyes in the sky, tirelessly orbiting the Earth to keep a watchful gaze on ...

London is seen from the ISS via Sen’s onboard 4k cameras. (Credit: Sen) ...

For the first time, scientists have developed a 3D map of an atmosphere belonging to a planet outside our solar system.

Located around 900 light-years away in the Puppis constellation, Tylos orbits its parent star at an absurdly close distance, ...

Starlink satellites were deployed by SpaceX. Watch multiple views captured by cameras aboard the Falcon 9 rocket second stage ...

Dateline producer Marianne O'Donnell reflects on what it was like to cover the 2017 murders of Abby Williams and Libby German in Delphi, Indiana, and the trial that followed nearly seven years later.