One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by ...

An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is ...

Our solar system may have hosted up to six giant planets in its first hundred million years, a new study suggests. The ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

A rare meteorite has revealed evidence of a massive lost world that once orbited the young Sun before being destroyed in a catastrophic collision. The discovery suggests some early planets formed from ...