A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Scientists have detected planet-forming pebbles around two young stars, providing insight into the birth of solar systems ...

Astronomers have made an exciting discovery: a massive, shining object racing through our solar system. The object, which was ...

The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...

American space agency NASA announced the discovery of a planetary system that isn't flat, has transit timing variations, and shows orbital planes tilting ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Astronomers spotted an object speeding at 133,200 miles per hour (about 214,364 kilometres per hour), which is too fast to be ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.