Christmas week this year is being marked by a rare sight in the night sky. Comet Leonard, or C/2021, the brightest comet of 2021, made its closest approach to Earth – about 21 million miles away – on ...

Remember Comet NEOWISE in 2020? That was surely the “comet of the decade,” right? Probably, yes, but there’s no doubt what’s going to get the title of “comet of the year” for 2021. First discovered at ...

Last December, the “Christmas Star” was the big sky event that was drawing lots of attention. But this month the buzz is focused on another cosmic holiday treat — the “Christmas Comet.” The newly ...