Experience the magic of the night sky in Fountain Hills with Night Sky Tourist's immersive Dark Sky events. Connect with ...

Interstellar comet 3I/ATLAS on Wednesday reached its closest point to the Sun, a point known as perihelion. Although this ...

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 ...

Comet 3I/ATLAS nears the sun Oct. 29. Experts say it's natural, despite viral alien theories. Here's how to see it from ...

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

The new radio portrait of the Milky Way is the most sensitive, widest-area map at these low frequencies to date. It will ...

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 ...