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

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

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 ...

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 ...

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

Earth was a frozen wasteland. Then, rising CO2 caused a catastrophic thaw, turning Earth into a "slushy" planet.

Any future efforts humanity wants to make to populate the Universe outside our home planet may have a pretty significant ...

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