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Articles on Galaxies

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Astronomers have found a way to estimate the number of stars in the universe. Comstock Images via Getty Images

How many stars are there in space?

Scientists have a good estimate on the staggering number of stars in the universe.
It can stretch your mind to ponder what’s really out there. Stijn Dijkstra/EyeEm via Getty Images

Does outer space end – or go on forever?

Astronomers know a lot about what's in outer space – and think it's possible it never ends.
Mysterious blasts of radio waves from across the universe called fast radio bursts are getting more attention from astronomers. ESO/M. Kornmesser

535 new fast radio bursts help answer deep questions about the universe and shed light on these mysterious cosmic events

Fast radio bursts are the focus of a young and fascinating field of astronomy. Researchers just released data on more than 500 new bursts, quadrupling the total number of detected events.
With the proper equipment, you can enjoy the beauty of the night sky. Allexxandar via iStock/GettyImages

5 ways families can enjoy astronomy during the pandemic

COVID-19 may have messed up school and shut down a lot of entertainment venues. But you can still brighten things up by doing a little stargazing at night, an astronomer says.
Diligence, technological progress and a little luck have together solved a 20 year mystery of the cosmos. CSIRO/Alex Cherney

Half the matter in the universe was missing – we found it hiding in the cosmos

Cosmologists had only been able to find half the matter that should exist in the universe. With the discovery of a new astronomical phenomenon and new telescopes, researchers just found the rest.

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