A solar wind event squashed the protective bubble around Uranus just before Voyager 2 flew by the planet in 1986, shifting ...

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

Is there something strange and alien confined deep inside the Earth? Is it trying to break free and escape into the heavens?

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

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

Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet ...

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

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.

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

but Ceres really looks more like a planet." Ceres has a diameter of around 950 kilometers ... Ceres was a compelling ...

Imagine a world where continents are fused into one massive landmass, and life as we know it is on the brink of ...

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