A stunning photo has captured all seven of our neighboring planets in Earth's sky at the same time, possibly for the first time ever. The composite image, captured by astrophotographer Josh Dury, ...

The best opportunity to potentially see all seven planets is coming up on Feb. 28 around 6:10 p.m. ET, according to Shanahan.

Since the 1980s, a strange X-ray emission has puzzled astronomers. At the heart of the Helix Nebula, a dying star may have ...

A rare celestial event on Feb. 28 will offer skywatchers the chance to witness a "planet parade" of all seven planets in our solar system outside of Earth. It's the last time this type of ...

Stargazers will be able to experience a rare celestial event Friday when all of Earth's neighboring planets are visible for a "planet parade." The planetary alignment, which has been ongoing in ...

The European Space Agency (ESA) fires up three of the instruments on the Hera spacecraft and takes images of the smaller ...