Wildlife rangers are being killed at a rate of nearly two a week, and it’s a toll Prince William has said the world can no ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

The unusual orbit of a possible dwarf planet, known as 2017 OF201, makes it less likely that our solar system contains a ...

A team of international astronomers led by Richard Teague, the Kerr-McGee Career Development Professor in the Department of ...

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural ...

This week is the best time in May to view the night sky. Here's everything you can see during May's dark skies, from an ...

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's distance from the Sun. And, as an added bonus, the planet is orbiting backward ...

Between May 20 and 24, the moon, Saturn and Venus will meet in a mini 'planetary parade,' becoming visible in the northern ...