Astronomer Gianluca Masi and his Virtual Telescope Project will host a special livestream on Oct. 24 beginning at 1:30 p.m.

The 3I/ATLAS interstellar comet’s size and physical properties are being investigated by astronomers around the world. Viewers can check the 3I/ATLAS positioning through live tracking available online ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Earth is set to host a rare visitor, interstellar comet 3I/ATLAS, on October 29, 2025. Discovered in July 2025, this ...

Here's where, when, and how to watch Orionids meteor shower and the Comet Lemmon against the darkness of tonight's sky and ...

Dive into NASA's ATLAS system as interstellar 3I/ATLAS nears Sun on 29 Oct 2025—no Earth hit, but astrometry campaign probes ...

The sky is filled with rare celestial treats this week. Want to spot some cool comets? Here's what to know about comets ...

Stargazers in Philadelphia and beyond will be treated to a rare celestial sight on Tuesday when Comet Lemmon makes its ...

T he best time to watch Comet C/2025 A6 (Lemmon) is upon us. Grab your binoculars, telescope, or just get into a very dark ...

Astronomers are watching a new comet pass through our solar system with great interest. Based on its glow, the 33-billion-ton ...