What would it feel like to stand on the tiny moons of Mars,Phobos and Deimos? Explore the surreal experience of visiting Mars ...

What if Venus became Earth's moon? Explore how our planet would change if Earth’s twin, a planet almost the same size and gravity,suddenly started orbiting us. Venus is no ordinary planet. With ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

The outlook is promising for future long-term monitoring of planets across multiple wavelengths. Infrared imaging data from ...

University of Arizona astrophysicist Erika Hamden takes readers on a romp through a "Weird Universe" in her debut popular ...

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Dennis Mammana Stargazers We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to comprehend sizes and ...