On Christmas night, Jupiter will be one of the brightest objects in the sky — and a  stand-in for the mythical “Christmas ...

Airplanes form invisible ice clouds that trap heat. Study explains why contrails matter and how aviation warming has been ...

A 14%-illuminated waxing crescent moon will hang low in the southwest tonight, soon after sunset, still in Capricorn, with ...

North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the Northern ...

Humanity’s relationship with the moon has always been simple. One planet, one moon — a cosmic partnership as reliable as sunrise. But that clarity just got murkier. Astronomers have confirmed ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Planet Nine is a hypothesized massive planet, first proposed in 2014, that is speculated to orbit ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Mercury, Venus, ...

From Dec. 5 to Dec. 8 of every year, France celebrates the Fetes des Lumieres (Festival of Lights) at the Parc de la Tete d'Or in Lyon. There, the city hosts artwork spread across its iconic squares ...

On any given night, it's likely that knowledgeable stargazers will be able to spot at least one bright planet shining in the night sky. Planets like Mars and Jupiter are big enough and orbit close ...

A celestial phenomenon is forming in the Northern Hemisphere on Friday, as seven planets are expected to appear lined up in the night sky. Most are expected to be visible to the naked eye, though not ...

Japanese satellite broadcast provider SKY Perfect JSAT is looking to get into the low-Earth-orbit remote-sensing business through a $230 million investment and partnership with Planet Labs. The ...