An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in December.

Time now for an interstellar flyby. Let's meet a very old comet, 3I/ATLAS. DARRYL SELIGMAN: 3I/ATLAS is probably somewhere between 3 billion to 11 billion years old. So it's presumably been traveling ...

Mercury currently appears as a bright "evening star" in the southwestern sky at sunset. Mercury will reach its greatest ...

V Sagittae’s violent mass transfer hints at an imminent nova—and a future supernova visible from Earth. Binary star systems are fairly common in the universe, as are pairs where one star is a compact ...

I've decided to toss a link out so you guys can take a look at it in action. It's very much at a prototype stage for the basic functionality. I have a feature list I'll be working on next. Zoom out, ...

The month brings a spectacular lineup of celestial sights—including a rare chance to see Mercury without a telescope and a ...

T he year's most impressive celestial show takes place in early November as the Full Moon reaches its closest point to Earth, ...

Being that it’s Halloween this Friday, I thought it only appropriate to tell you about my favorite monsters of the night sky ...

Being that it's Halloween this coming Friday, I thought it only appropriate to tell you about my favorite monsters of the ...

Time doesn’t wait, but these new watches are worth pausing for. Piaget and Zenith are turning heads with their new ...

The much-awaited Orionid meteor shower is projected to peak between October 20 and 21. Stargazers will be able to see streaks ...