planets

The death of the universe -- and what it means for life

Newton's three-body problem explained

What Saturn's most mysterious moon could teach us about the origins of life

Civilization on the Moon -- and what it means for life on Earth

An ode to living on Earth

The galactic recipe for a living planet

The search for our solar system's ninth planet

The dust bunnies that built our planet

The mysterious origins of life on Earth

There may be extraterrestrial life in our solar system

Can a black hole be destroyed?

After billions of years of monotony, the universe is waking up

The most detailed map of galaxies, black holes and stars ever made

Why are earthquakes so hard to predict?

Where did the Moon come from? A new theory

Three ways the universe could end

How far would you have to go to escape gravity?

Could the Earth be swallowed by a black hole?

What is the universe expanding into?

The secret to scientific discoveries? Making mistakes

Where are all the aliens?

What does the universe sound like? A musical tour

How centuries of sci-fi sparked spaceflight

The most mysterious star in the universe

How humans could evolve to survive in space

Why Earth may someday look like Mars

What a planet needs to sustain life

The search for planets beyond our solar system

How to land on a comet

How Mars might hold the secret to the origin of life

Let's not use Mars as a backup planet

How we'll find life on other planets

This telescope might show us the beginning of the universe

The flower-shaped starshade that might help us detect Earth-like planets

How fast are you moving right now?

Free falling in outer space