The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

The private Fram2 mission lifted off atop a Falcon 9 rocket from Launch Complex-39A at NASA's Kennedy Space Center in Florida ...

Fram2, a first-of-its-kind private mission to send four astronauts into polar orbit around Earth, is about to launch ...

Elon Musk's SpaceX on Monday launched a crew of four private astronauts led by a crypto entrepreneur on a mission to orbit ...

The four-person crew, led by cryptocurrency billionaire Chun Wang, will spend three to five days on a rare flight path around ...

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.