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

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 ...

On May 21, the International Astronomical Union's Minor Planet Center announced the discovery of 2017 OF201, which, because ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

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

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

The possibility that an additional planet may be hidden far into the solar system was touted more than a century ago. But astronomers may have found new evidence that points to a celestial body ...

"It's like trying to spot a fish by looking for ripples in a pond, rather than trying to see the fish itself." ...