When you look up in the night sky, our moon is unmissable.Just like Earth, it's round and has a solid, rocky surface. But is ...

Earth's mesmerizing northern and southern lights — the auroras — have captivated humans for millennia. But our planet isn't ...

Venus will pass to the north of the much-fainter bluish star Regulus (in Leo, the Lion) on the morning of Sept. 19; the planet and star will appear low in the east-northeast predawn sky, separated by ...

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

Carrying out simulations to try and discover what best explains the orbits of these objects, the team found that a model that ...

The odd atmosphere of a fledgling exoplanet is causing astronomers to question leading theories of how planets form.

It's possible for our solar system to capture a rogue planet and give it a home as it hurtles through the galaxy, according ...

The Moon's relationship with Earth is crucial for stabilising our planet's axial tilt and influencing tides, but this still ...

For billions of years, it's kept our ... The solar system is approximately 4.6 billion years old. Astronomers believe that roughly 100 million years into its existence, the planets first began ...

The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere after all, ...

The research team's simulations indicate a 1 in 100 chance that an interstellar visitor could produce the orbits we see today ...