Billions of years ago, Earth was home to extreme environments, including intense UV radiation, frequent volcanic eruptions, ...

Potentially deadly comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, new ...

How would Xenomorphs even get to our pale blue dot? ‘Alien Earth’ is propped to show us exactly that, as well as the horror ...

A new study posits that our planet's gravity will cause seismic activity on Apophis when it makes its close approach in 2029.

A team of astronomers has uncovered an Earth-like planet orbiting a star located 4,000 light years away from the solar system ...

Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of ...

Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India ...

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...

Exoplanets can be quite different from Earth, but occasionally researchers find one that gives a sneak peak into what the ...

The bright object was likely a Starlink satellite burning up in Earth's atmosphere as it fell back toward our planet.

When the 'God of chaos' asteroid Apophis makes an ultraclose flyby of Earth in 2029, our planet's gravity may trigger tremors ...

When the ancient 'God of Chaos' asteroid skims close to Earth it could have a major reaction and be transformed.