Recent sightings of interstellar comet 3I/ATLAS have sparked discussions of Jewish hopes and fears about extraterrestrial ...

Looking for a sky event this week? Check out our full Sky This Week column. October 20: Visit the Pleiades Today is a busy ...

This comet is best seen through a telescope or binoculars, but it may be visible to the unaided eye for the next two weeks!

As you can see on the star chart, Comet Lemmon starts the month below the Plough, and then moves through Boötes into Serpens, ...

Comet Lemmon is currently racing toward the Sun, while the fainter Comet SWAN is moving away. Both are set to make their ...

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than ...

August 2025 offers several planetary conjunctions, including a close approach of Venus and Jupiter on August 12th, and a second conjunction of Saturn and Neptune on August 6th, with a third occurring ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

So far, we have identified three. The first one was 1I/’Oumuamua, discovered in 2017, then Comet 2I/Borisov, in 2019. This ...

On Oct. 8, 1992, NASA's Pioneer 12 spacecraft burned up in the atmosphere of Venus. Pioneer 12, also known as the Pioneer Venus Orbiter, spent 14 years orbiting Venus and studying the planet's ...