New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

December is the month that fans of 3I/ATLAS have been waiting for as the interstellar comet makes its closest approach to ...

If you are into planets and also like to get up pre-dawn (much easier in the Northern hemisphere now that it is winter here), ...

More research is needed before scientists can determine whether the recently observed methane signatures point to the presence of an atmosphere or are simply the result of contamination from the host ...

There’s magic in the air this holiday season and there’s also magic in the December night skies. These long nights are ...

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it ...

As the night grows long and the winter solstice approaches, there’s a host of astronomical events to watch out for, including ...

This Black Friday deal sees $50 shaved off the ZWO Seestar S30, a lightweight, portable smart telescope capable of amazing ...

A full moon at its closest point to Earth: December opens this week with a full moon, dubbed the “Cold Moon,” that also ...