At the very edge of our solar system, beyond the grasp of Neptune and even past the icy sprawl of Pluto’s domain, a new ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

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 ...

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

A newly discovered house-size asteroid is set to make a close, yet harmless approach to Earth today (May 21), passing within one-third of the Earth-moon distance.

They found that volcanic gases lacked significant steam, indicating the planet's interior ... 1453 c is twice Earth’s size and may have a... Astronomers have revealed new evidence that there ...

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

Astronomers have discovered ... of the larger planet population. "This gives more room for the unexpected," Yee said. "This measurement of the super-Earth population provides a new piece of ...

The discovery of this new, farther-out super Earth is even more significant ... than Earth all the way to the size of Jupiter and beyond shows us that planets, and especially super-Earths, in ...