Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space ...

This gas cloud located 500 light years away from our solar system is about to become a planet.This process usually takes a ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Proba-3 is creating artificial solar eclipses in space, giving scientists a steady new way to study the Sun’s inner corona ...

Solar sails have some major advantages over traditional propulsion methods—most notably, they don't use any propellant. But, ...

Carl Sagan once said, “Exploration is in our nature. We began as wanderers, and we are wanderers still.” These words ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

Hubble spots the largest known planet forming disk, chaotic and lopsided, hiding a young star 1,000 light years away, raising ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 per cent of sun-like stars ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...