We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

The European Space Agency (ESA) is advancing on its ambitions for future space transportation. This week, the agency has ...

Two small spaceports in the far north of Sweden and Norway are racing to launch the first satellites from mainland Europe ...

ESA has chosen five rocket firms to compete for €169mn contracts, aiming to restore Europe’s independent access to space.

The five companies ESA selected are Isar Aerospace, MaiaSpace, Rocket Factory Augsburg, PLD Space, and Orbex. Only one of these companies, Isar Aerospace, has attempted to launch a rocket into orbit.

Human-caused climate change made recent European heatwaves up to 4C hotter in many cities, scientists said on Wednesday, ...

Scientists warn heatwaves are ‘quietly devastating’ and show how dangerous climate change already is with 1.3C of global warming.

Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star - a ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

On July 2, 1985, the European Space Agency launched the Giotto space probe to get a close-up look at Halley's Comet. Nearly ...

A punishing early summer heatwave that has already scorched western and southern Europe spread east Wednesday, bringing ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.