Comet SWAN has an estimated brightness of magnitude +6.1 (a measure of visual brightness), which, in a dark, moonless sky, ...

Contrary to claims that 3I/ATLAS is no longer from Earth, space experts claim that the Manhattan-sized comet can now be ...

An astronomer has snapped comet 3I/ATLAS using the Lowell Observatory's powerful Discovery Telescope, as well as his own ...

Skywatchers are anticipating prime viewing conditions for an annual showing of shooting stars and two comet flybys ...

Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.

Lemmon, which is a rare green comet, can be seen with the naked eye on Oct. 21, according to the Royal Astronomical Society, ...

Full Supermoon . See the biggest and brightest moon of the year—the full supermoon—on the evening of Nov. 5. The moon will ...

The comet reached perihelion, its closest point to the Sun, just days after conjunction. This event appears to have ...

I/ATLAS has made a reappearance. According to the New York Post, contrary to viral claims suggesting that 3I/ATLAS had ...

You may want to keep an eye to the sky after sunset tonight, not for any severe weather, but rather a chance to see two ...

Comets Lemmon and SWAN are making their closest approach to Earth in a rare cosmic treat. Can you see it in NJ? Here's timing ...

Comet C/2025 A6 (Lemmon) will pass through the neck of the great celestial serpent represented by the constellation Serpens ...