NUUK, Greenland (AP) — Polls opened in Greenland for early parliamentary elections Tuesday as U.S. President Donald Trump ...

This was a magical revelation for the Greeks and the Egyptians, who were able to see from the motions of the stars and the way the Sun ...

A total lunar eclipse and a partial solar eclipse at sunrise two weeks later will be visible from the Poconos in March.

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

A total lunar eclipse is a relatively rare astronomical event because the moon usually passes above or below Earth’s shadow ...

Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic ...

On Thursday, March 13, 13.4% of the world’s population will have the chance to bear witness to a rare “blood moon.” The last ...

How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy | Space ...

The commercially and privately constructed Athena spacecraft is returning data to NASA scientists on Earth, they announced ...

Engineers at NASA's Jet Propulsion Laboratory have conserved energy supplies on the record-setting Voyager 1 & 2 deep space ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...