In 1974, astronomers sent a call out into the cosmos from a massive telescope in Puerto Rico. The anniversary of the message brings reflections on a new missive to the stars and grief for a lost ...

We're showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to ...

The Proba-3 mission consists of two spacecraft that will fly in close formation to study the sun, with the shadow of one ...

Uranus's upper atmosphere has been cooling for decades - and now scientists have shown why.Observations from Earth have shown Uranus' upper atmosphere ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

By probing chemical processes observed in the Earth's hot mantle, Cornell scientists have started developing a library of ...

It must have cleared all other celestial bodies, except its own moons, from its orbit.

The roughly six-hour flyby in 1986 revealed Uranus' protective magnetic field was strangely empty. Now, researchers say that ...

Scientists have found that a "rare intense wind event" during NASA's Voyager 2 flyby of Uranus in 1986 may have messed with ...

In 1986, NASA’s Voyager 2 flyby of Uranus shaped scientists’ understanding of the planet but also introduced unexplained ...

Using the James Webb Space Telescope, an international cooperation of NASA and the European and Canadian space agencies, a ...