Planetary alignments are among the most awe-inspiring phenomena in the sky. They happen when several planets appear to gather ...

"The Earth might not be here forever. A huge solar flare, an asteroid impact, or a local gamma-ray burst — anything could ...

December will be an interesting month in the sky. Brilliant Venus will be unmistakable, shining in a fully dark sky. It will ...

Venus of course has plenty of atmosphere ... Fortunately, that happens through a similar process to water vapor condensing in ...

Scorpio (October 23 – November 21) looks at Friday the 13th and says, “Challenge accepted.” These water signs thrive in ...

New research reveals a fourth planet in the Kepler-51 system, altering our understanding of this unique system with three ...

The spunky Lucy mission will make a second gravity assist of our world tonight as it heads off on its hunt for the solar ...

NASA has announced the discovery of seven astronomical objects that come in two flavors; they look like asteroids but ...

The artist personally picked out each piece and painted new works expressly for this exhibition during what turned out to be ...

Earth is only one small recipient of the sun’s energy ... Since 2018, the probe has completed seven Venus gravity assist ...

The Sun is in its solar maximum, a period marked by intense solar eruptions and bursts of charged particles directed toward ...

When I asked readers on social media for suggestions about the coolest things they’ve seen in spaceflight during the last 25 ...