Look low on the southwestern horizon at sunset on Nov. 12 for a chance to see swift Mercury close to the red light of Mars in the evening sky, but fair warning — you'll need to be quick to spot the ...

Interstellar visitor 3I/ATLAS has returned to the morning sky. Expert maps, spacecraft observations, and tips for UK stargazers explain how to spot and photograph this rare cosmic visitor.

A 62-page document written by billionaire Jared Isaacman outlines a sweeping, ambitious, and at times controversial plan for ...

Eight possible cave openings found on the Martian surface look to have once had ancient streams flowing into them, suggesting ...

That’s the subject of astrophysicist and “Cosmos” host Neil deGrasse Tyson’s upcoming lecture at the University of Virginia’s ...

During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...

The European Space Agency said Tuesday that scientists will keep analyzing data from both orbiters, combining multiple images ...

Wausau Pilot & Review Mercury meets Mars as the Moon wanesCentral Wisconsin skywatchers will find this week packed with ...

Back on planet Earth, and deep inside a pitch-black, sulfuric cave on the Albanian-Greek border, we reported on a study that ...

China became the first to capture and publicly release close-up images of interstellar object 3I/Atlas ahead of NASA, ...

The comet is the third interstellar object from deep space ever recorded to pass through Earth’s solar system.

The orbiter, which is part of the nation's ongoing Tianwen 1 mission for Mars exploration, took the images of the comet, ...