Space Exploration

String of satellites baffles residents, bugs astronomers

A string of lights that lobbed across the night sky in parts of the U.S. on Wednesday, Thursday and Friday had some people wondering if a fleet of UFOs was coming, but it had others— mostly amateur stargazers and professional ...

Space Exploration

Large Chinese rocket segment disintegrates over Indian Ocean

A large segment of a Chinese rocket re-entered the Earth's atmosphere and disintegrated over the Indian Ocean on Sunday, the Chinese space agency said, following fevered speculation over where the 18-tonne object would come ...

A barred galaxy's massive molecular inflow

Large amounts of gas are sometimes funneled to a galaxy's nuclear regions, with profound consequences. The gas triggers starburst activity and can also feed the supermassive black hole, converting it into an active galactic ...

Corporate sponsor program

Be an ACS Industry Insider

Sign-up and get free, monthly access to articles that cover exciting, cutting edge discoveries in Energy, Environmental Science and Agriculture.

Medical Xpress

Diseases, Conditions, Syndromes
Spain ends COVID state of emergency
Diseases, Conditions, Syndromes
Fully vaccinated enjoy new freedoms in Germany
Diseases, Conditions, Syndromes
As cases grow, India's vaccination campaign falters

Tech Xplore

Gene tied to balding may also raise COVID risks for men

It's long been known that COVID-19 is more fatal for men than women, and new research links some of that excess risk to a gene known to cause a form of hair loss in males.

Animals laugh too, analysis of vocalization data suggests

Human laughter is common, but it's a somewhat mysterious part of our evolution. It's clear to evolutionary scholars that we laugh as a part of play, signaling our cooperation or friendliness. But how did laughter evolve? ...

California agency approves warehouse rule for air quality

Southern California air quality regulators on Friday approved a rule that would curb diesel emissions from thousands of trucks that ferry goods from the growing number of massive warehouses in the region run by Amazon and ...

Seeing colleagues succeed may make us feel more motivated

Observing the success of a colleague can motivate us to learn more and perform at a higher level. But when we perceive that a peer's accomplishment has risen above the usual standard of "good work" and can be rated an "exceptional" ...