In 1986, humanity gained its first close look into the secrets of Uranus thanks to the Voyager 2 probe. This probe, after a ...

In 774 AD, a large red cross illuminated the night sky over England, causing a significant stir among the Anglo-Saxons. It ...

Gravitational distortions produced by distant galaxies show a slight—but notable—disagreement with Einstein's predictions.

A Southwest Research Institute-led team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids ...

Sara Imari Walker leads one of the largest international theory groups in origins of life and astrobiology. Walker and her team's key areas of research are in developing new approaches to the problem ...

Like a total solar eclipse or a nova explosion, I have a theory that we will all accidentally be showstoppers – the pinnacle ...

A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets to develop a revised solar composition that potentially reconciles ...

Why is the expansion of our Universe accelerating? Twenty-five years after its discovery, this phenomenon remains one of the greatest scientific mysteries. Solving it involves testing the fundamental ...

Why is the expansion of our universe accelerating? Twenty-five years after its discovery, this phenomenon remains one of the greatest scientific mysteries. Solving it involves testing the fundamental ...

For nearly 40 years, scientists have generally agreed that Earth's Moon formed from debris after a massive collision with our ...