Comet Lemmon (C/2023 A3) dazzles in Ladakh. This comet has a green tail which is visible from Hanle. This study offers rare ...

To photograph the comet, Alton Spencer left Danbury, finding darker and elevated spots in Bridgewater and Warren.

Currently presenting a faint magnitude of 14.7, Comet 3I/ATLAS is so distant that its light requires nearly 19 minutes to ...

Comets Lemmon and SWAN are making their closest approach to the Earth tonight, Oct. 21. Here's how you might see them with ...

There's a comet visible in the skies over Connecticut for the rest of the month, and a leading "citizen scientist" in the state shared his tips on how to see it. Comet Lemmon (or Comet C/2025 A6), ...

Siddharth Patel, a 12-year-old who lives in London, Ontario (west of Toronto), spotted two possible asteroids in September as ...

NASA confirms 3I/Atlas poses zero threat, with its closest Earth approach a safe 270 million kilometres on 21 July 2025—over 1.7 times the Earth-Sun distance. ESA echoes this, calculating perihelion ...

Astronomers note that such comets are remnants of the early solar system, containing pristine material billions of years old.

Comets SWAN and Lemmon, both discovered this year, have arrived near Earth from the outer region of the solar system.

Siddharth Patel wants nights to be dark. This 12-year-old from London, Ont., is a citizen scientist with Globe At Night, measuring light pollution in his own neighbourhood. He is also a DarkSky ...

One of London’s most popular ice rinks set within the grounds of a Tudor castle will be returning this November.