U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds, that could cut journey times across the solar system in half.

Spending time in space and having an unrivalled view of planet Earth is an experience many of us dream of. However, the human body evolved to function in the gravity of Earth. So time in the ...

After spending more than nine months orbiting Earth, two U.S. astronauts finally returned home on March 18, splashing down at 5:57 p.m. EDT off Florida’s Gulf coast. Suni Williams and Butch ...

Astronauts Butch Wilmore and Sunita Williams are finally making their way back to Earth after an eight-day mission to space turned into a nine-month-long hiatus at the International Space Station.

Extended time in space can bring changes to human physiology and psychology. NASA astronauts Barry "Butch" Wilmore and Sunita "Suni" Williams are returning to Earth after spending an unplanned ...

SOLAR flares occur when the powerful magnetic fields in and around the sun reconnect. They are usually associated with active regions, often seen as sunspots, where the magnetic fields are the ...

SpaceX is scheduled to launch a Falcon 9 rocket from Cape Canaveral Space Force Station between 2:09 p.m. and 6:40 p.m. EDT Tuesday. NASA astronauts Butch Wilmore and Suni Williams are scheduled ...

The James Webb Space Telescope (JWST) has directly imaged four planets orbiting the host star HR 8799 about 130 light-years from Earth in the constellation Pegasus.

Just over a day after blasting off, a SpaceX crew capsule arrived at the International Space Station on Sunday, delivering the replacements for NASA’s two stuck astronauts. The four newcomers ...

A crew has entered the International Space Station (ISS) to replace the astronauts who were stranded there for nine months. A SpaceX capsule delivered four astronauts on Sunday on a mission to ...

The SpaceX crew arrived at the International Space Station on Sunday, March 16 Escher Walcott is a Writer/Reporter at PEOPLE, covering stories in Entertainment, Style, Human Interest.She joins ...

SpaceX successfully launched four people into space on Friday, beginning a mission that will give the International Space Station enough crew members to allow astronauts Suni Williams and Butch ...