Comet A3 Tsuchinshan-ATLAS proved to be photogenic as it lit up the early autumn skies of the Northern Hemisphere this month.

Columnist Shannon Brennan writes how the polluted skies have hidden some of space's most extraordinary sights.

It's a big month for astronomers, as a major meteor shower sparks up the night and the "comet of the century" nears Earth.

A woman in Mayo has drawn a comet that was seen in the earth’s sky for the first time in 80,000 years. Deirdre Kelleghan drew ...

The largest and oldest-known impact site on the moon is the South Pole-Aitken (SPA) basin, stretching across nearly 1,250 miles (2,000 kilometers) of the far side of the moon. And thanks to new ...

Ken Mc Callum, Director General of MI5, the British intelligence service, has made alarming remarks about the operations ...

It is also theoretical. Astronomers infer the Oort Cloud is there because it’s the only logical explanation for the arrival of a certain class of comets that sporadically visit our solar system. The ...

Passed Up for the Ticket, Shapiro Tries to Deliver Pennsylvania for Harris Gov. Josh Shapiro of Pennsylvania may not be on the verge of the vice presidency, but he says he has everything riding on ...

The U.S. secretary of state, visiting Israel, said the killing of Hamas’s leader could create an opening for peace, and he pushed the Israeli prime minister to allow more aid into Gaza. The move ...

After hours: October 21 at 6:16 PM EDT ...

In the first days of standard time, sunrise in the Bay Area will be around ...

António Guterres’s invitation to the Kremlin’s Kazan meeting shows the failure of the United Nations ...