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 ...

Scientists have calculated the Earth to be 4.54 billion years old, with an uncertainty of 50 million years on either side.

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than previously thought — and may be a big reason that our planet harbors life.

Astronomers have discovered a rocky Earth-like planet around a white dwarf star, hinting at our planet's future about eight billion years from now.

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

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

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 ...

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

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