Astronomers have found early evidence of the Universe’s transformation from a foggy, opaque state to a transparent one, ...

SpaceX launched the private Fram2 mission Monday (March 31), sending a crew of four spaceflight rookies into an orbit never ...

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

Chun Wang, a Chinese-born crypto entrepreneur, paid an undisclosed amount for the mission. Some satellites are already in polar orbit, and researchers called it a routine flight.

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...