The engine firing provided a slingshot-like boost to the Orion capsule, speeding it to 24,500 mph, the velocity needed to ...

The crew of Artemis II have left Earth’s orbit and are now continuing to make their historic journey towards the moon. Over ...

The Integrity, the name of the Orion capsule carrying Artemis II astronauts on a trip around the moon, has left Earth’s orbit ...

The Artemis II crew is talking about what it has been like during their first full day in space. The most diverse crew in ...

There are roughly 10,000 Starlink satellites in low Earth orbit, over a third of all the tracked objects in that part of ...

The Artemis II launch has been sending back some breathtaking images of late. If you haven’t yet seen the sharp images of the ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. In a real-life twist on Star Wars' Tatooine—a harsh desert planet with twin suns and a criminal underbelly—astronomers ...

SpaceX lost contact with one of its Starlink satellites on Sunday due to an in-orbit malfunction, the company confirmed on X.

SpaceX has confirmed an orbital anomaly involving a Starlink satellite that fragmented into dozens of pieces, raising fresh concerns about space debris even as the company maintains that the event ...

Earth’s orbit around the Sun is not circular, but an ellipse that is slightly elongated with an eccentricity of 0.017. (An eccentricity of 0 is a circle, while the dwarf planet Pluto has a relatively ...