Halley’s comet swings near Earth every 75 years. But debris left by the comet leads to two major meteor showers annually.

Perplexity AI's new WhatsApp integration offers instant fact-checking without leaving the app Perplexity responds with fast, sourced explanations in over 20 languages The feature aims to help ...

This spring, skywatchers have been treated to the captivating and unpredictable display of a new comet, called C/2025 F2 (SWAN). Discovered in late March 2025 through data from the SWAN instrument ...

Comets are notoriously unpredictable. Some of the most spectacular of these icy visitors pop up unexpectedly, careening toward the Sun and bursting out in spectacular fashion with little advance ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When a new comet ...

A recently discovered comet is currently gracing our morning skies, with its signature green glow and long tail trailing behind. Comet SWAN25F is speeding toward the Sun for a dangerously close ...

There’s always another comet. Last year there was much ballyhoo over the so-called “devil comet,” some will-it-won’t-it drama of Tsunchinshan-ATLAS, and the sudden discovery (and quick ...

The Eta Aquarid meteor shower will light up the sky Monday, May 5 with a chance to see pieces of Halley's comet streak through the night sky. Here's what to know and when to watch. The annual Eta ...

33,187 people played the daily Crossword recently. Can you solve it faster than others?33,187 people played the daily Crossword recently. Can you solve it faster than others?

Here’s how it works. Skywatchers throughout the Northern Hemisphere are enjoying views of the newly discovered Comet SWAN. This latest cosmic interloper was first sighted on March 29 by Vladimir ...

A disintegrated comet has left behind a glowing dust cloud—here’s how to spot it before it vanishes from the northern sky. Scottish journalist and lifelong sports fan who grew up in Edinburgh ...