By analyzing the shape and brightness of the lensed images, astronomers could begin mapping both visible and dark matter in the foreground galaxy, furthering our understanding of galaxy structure and ...

A cutting edge machine has transformed the study of insects, which may yield even bigger breakthroughs for humans ...

Nearly 2 billion years ago in what is now Ontario, Canada, a presumed comet over 6 miles wide smashed ... forming the largest impact structure on Earth: a massive crater almost 200 miles across.

On an observing table, Barbara had set up The Hubble Atlas of Galaxies, the Uranometria 2000 star atlas, a night-vision star chart illuminated ... To study the structure of the jet to map dark ...

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 ...

Comet Tsuchinshan-ATLAS was the rare comet that arrived with a year and a half of fanfare and lived up to the hype, serving up naked-eye views for weeks. If it was not a Great Comet, it was at ...

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 ...

You’re going to want to look up into the night late Monday, May 5, through the early hours of Tuesday, May 6, to see the debris of Halley’s comet as it lights up the sky with a meteor shower ...

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?

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 ...

A freshly-identified comet hurling towards the Sun is now bright enough to see from Earth. Dubbed C/2025 F2 (SWAN), the dust-laden streak is nicknamed for the SWAN instrument aboard the European ...