All About Everything

Green comet C/2022 E3 (ZTF) may be heading out of the solar system for good

The comet C/2022 E3 (ZTF) became quite the celestial celebrity in early 2023 as its close approaches to the sun and then Earth made its bright green glow visible from our planet, but this might be its last visit.

Russian weather satellite deployed in geostationary orbit

Spaceflight Now

Spaceflight Now

Russia launched a geostationary weather satellite Feb. 5 on a Proton rocket, heading for a position more than 22,000 miles over the Pacific Ocean to cover Russia's Far East and the wider Asia-Pacific region. The Elektro-L 4 weather satellite lifted off ...

Be hypnotized by this mesmerizing blue and gold spiral galaxy (photo)

Also known as Messier 61 (M61) a name that comes from its 18th-century co-discoverer Charles Messier who observed it on the same night as Italian astronomer Barnaba Oriani, NGC 4303 is one of the larger galaxies of the Virgo Cluster.

Largest known spiral galaxy in the universe shines in multi-telescope image

Just looking at a single image of NGC 6872, you can't help but be impressed. The barred spiral galaxy appears to be quite different than our own Milky Way, with two long tendrils of stars emanating from opposite ends of the structure.

Hubble captures mysterious 'spokes' gliding across Saturn's rings

CNN

CNN

The Hubble Space Telescope captured images of a mysterious show playing out on Saturn's rings — ghostly, fleeting "spokes" that appear to move along the planet's rings. And scientists can't yet explain why the phenomena happen.

The mysterious black behemoths controlling our galaxies

It was only last year that astronomers were finally able to unveil the first pictures of the supermassive black hole at the center of our Milky Way galaxy. But you couldn't actually see the black hole itself, not directly. That's because it is so dense ...

Citizen Scientists Show Light Pollution Erases Stars From the Sky

WIRED

WIRED

Years ago, Christopher Kyba was skeptical about astronomy data collected by citizen scientists—after all, it relies on people making naked-eye assessments of the night sky. But when a student wrote to him with a question about measuring the sky's ...

Study reveals how drug resistant bacteria secrete toxins, suggesting targets to reduce virulence

Antimicrobial resistance represents one of the top 10 global public health threats according to the World Health Organization, and scientists have been scrambling to find new tools to cure the most deadly drug-resistant infections.

Coral reefs in the Eastern Pacific could survive into the 2060s, new study finds

Scientists at the University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science found that some reefs in the tropical Pacific Ocean could maintain high coral cover into the second half of this century by shuffling the symbiotic algae ...

Launching Dust From the Moon Could Help Cool Earth, Scientists Say

Smithsonian

Smithsonian

Proposals to fight climate change by blocking sunlight aren't new, but some experts argue the answer lies closer to home. Will Sullivan. February 13, 2023 9:03 a.m.. A full moon The moon contains lots of dust, which scientists say could help block some ...