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.

Ellipses are defined as curves that surround two focal points. At any point on the ellipse, the sum of the distance to both ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...