Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

For Aditya-L1, India's first solar observation mission in space, the year 2026 is expected to be like no other. It's the ...

A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...

Solar panels keep generating electricity throughout winter – but how much can you realistically expect in the UK?

Voyager 1 and 2 traveled billions of miles to reach the heliopause, showing how the Sun's magnetic influence marks the ...

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, an enormous, donut-shaped region of icy objects ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

NASA confirms interstellar visitor 3I/ATLAS is a natural comet, not an alien artefact. Its nickel and CO2-rich chemistry suggests it's pre-Sun matter, offering unique insights into ancient star ...

Tossing a bad guy into the Sun sounds simple enough, but orbital mechanics make it a far trickier task than you'd expect.