Polar orbits are favoured for their ability to map the entire Earth's surface over time, making them critical for weather ...

Iran’s president says Tehran has rejected direct negotiations with the United States in response to a letter from President ...

A four-person crew will spend three to five days aboard a SpaceX capsule orbiting above the poles of Earth — a flight path ...

A SpaceX astronaut mission like no other will lift off from Kennedy Space Center on Monday night. Here's what to know.

During a partial solar eclipse, the moon passes between the sun and Earth. The moon casts a shadow on Earth and only partly ...

Observers across eastern North America and much of Europe will have front-row seats to the striking partial solar eclipse on March 29. Here's what to expect.

Eight SI writers and editors ranked all 30 ballparks that will be in use this year from worst to best. Here are the results.

Lava began bubbling out of Hawaii’s most active volcano once again on Tuesday as Kilauea's sporadic eruption resumed. The ...

The Wet from Circa Cairns is a stunning physical and aural celebration of the Wet and how it affects all beings living on ...