Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies ...

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

A rare and dramatic scene unfolds 140 light-years from Earth. A rocky planet, once whole, is now crumbling to dust under the ...

The astronomers spotted the planet using NASA's Transiting Exoplanet Survey Satellite (TESS), an MIT-led mission that ...

"The extent of the tail is gargantuan, stretching up to 9 million kilometers [5.6 million miles] long," said MIT astronomer ...

Astronomers from MIT have uncovered a dramatic celestial spectacle: a Mercury-sized exoplanet that is rapidly disintegrating ...

WASHINGTON, April 22 (Reuters) - Astronomers have spotted a small rocky planet that orbits ... measure the mineral composition of a terrestrial planet outside our solar system," Hon said.

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

Vesta might be a shattered remnant of an early planet, not a failed one—forcing scientists to rethink how worlds begin.

"We found a small planet in an orbit similar to Saturn ... reflects the differences in formation processes between terrestrial planets and massive gas giant worlds. Discovering a larger population ...