After a year devoid of comets visible to the naked eye, two of the celestial entities — C/2025 A4 (Lemmon) and C/2025 R2 ...

Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach their closest approach to Earth and you can watch the ...

This year, the night sky is putting on a show with the Orionid meteor shower, a new moon and two green comets filling the ...

The October new moon of 2025 will be a key astronomical and astrological event in mid-autumn, opening a new lunar cycle and ...

There’s no greater gift the cosmos can give than a bright comet in a dark, night sky. Malan is astronomy writer and ...

A pair of once-in-a-lifetime comets are rocketing through our skies right now, and it's a rare treat because they won't be ...

Late October offers a meteor shower generated by Haley's Comet plus a once in a lifetime comet that streaks by Earth every ...

Political debates have flared across Chile over artificial intelligence. Should the nation pour billions into A.I. and risk ...

Look up on a clear night, and you might catch a strange kind of light show. A glowing streak of light, moving slower than a ...

On the day of the 2025 autumnal equinox, the sun rises almost exactly due east and sets to the west. The months that follow will see cooler temperatures set in as the northern hemisphere receives less ...

The comet is fast approaching its closest encounter with Earth on Tuesday, March 21, a harmless 28.6 million miles.

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...