All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

The seven planets will not be perfectly aligned, but will appear in an arc across the sky due to their orbital plane in the ...

Astronomers discover a network of cosmic tunnels linking our solar system to distant galaxies, revealing a dynamic and ...

Genesis data is now producing high impact science in cosmochemistry, solar physics, coronal mass ejections, and space ...

Twenty years ago, the Huygens probe achieved humanity's first landing on a moon in the outer solar system when it touched ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...

The other element of the universe is dark matter ... We're serious about this: Uranus is a unique and strange solar system planet because, unlike all the other worlds in our corner of space ...

The atmosphere, a thin veil of molecules enveloping Earth, reaches about 20 miles (32 kilometers) above the planet's surface.

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

A similar parade of planets took place last June, but only two planets could be seen without any special equipment. This time, four are visible to the naked eye.

This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more ...

An international team led by astronomers at Leiden University has shown in laboratory experiments that sulfur can bind with ...