Billions of years in the future, our Sun will become a red giant and then die out. But when the Sun dies, where do we go?

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

Mars is about 140 million miles from our cozy planet. A human mission to that cold, rocky neighbor would mean being away from Earth for about 3 years. But the things those explorers would see and ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

When it comes to planets in our Solar System's habitable zone, one world is too close to the Sun, another is too far and ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly ...

A new design for a nuclear-powered rocket could be the key to making the solar system more accessible. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

From Dec. 6 through Feb. 23, Mars will enter retrograde motion, a period of about 10 weeks where the red planet will appear to move backward in the sky. Are you experiencing inner tension, heightened ...

"Marsquake" data collected by NASA's InSight lander have revealed dozens of mysterious blobs within the Red Planet's mantle. The structures may have been left by powerful impacts up to 4.5 billion ...

The spacecraft landed in 2019 to study the deep interior of the planet. NASA is being forced to end its Mars lander mission early because of dust. Officials announced Tuesday the InSight spacecraft is ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade". Throughout much of January and February, Venus, Mars, Jupiter, Saturn, ...