outer space

Researchers have identified a young star with four Jupiter- and Saturn-sized planets in orbit around it, the first …

The potentially rocky planet, known as Barnard’s star b, is a “super-Earth” with a mass of at least …

University of Sydney astronomers, working with international colleagues, have found a star system like none seen before in …

In November 2017, scientists pointed NASA’s Spitzer Space Telescope toward the object known as ‘Oumuamua — the first known interstellar …

The presence of water on early Mars has been theorized for centuries. Early telescopes revealed ice caps, and …

Some 10 billion years ago, the Milky Way merged with a large galaxy. The stars from this partner, …

For thousands of years, people have been puzzling over the milky strip that extends across the entire firmament. …

Science fiction writers have long featured terraforming, the process of creating an Earth-like or habitable environment on another …

New research from NASA’s Cassini spacecraft’s up-close Grand Finale orbits shows a surprisingly powerful and dynamic interaction of …

Gravitational waves may hold the key to the universe’s expansion. Since it first exploded into existence 13.8 billion …