10,000+ results
10,000+ results for:
- Astronomy
Pulsars may power cosmic rays with the highest-known energies in the universe
Earth is pelted by energetic particles from space. The source might be the magnetic remains of massive stars, a new study suggests.
- Cosmology
A century ago, Alexander Friedmann envisioned the universe’s expansion
Alexander Friedmann saw that Einstein’s equations predicted multiple cosmic scenarios, including a Big Bang.
- Life
Caribou gut parasites indirectly create a greener tundra
Caribou merely sickened by parasites eat less vegetation, allowing plants to flourish.
- Science & Society
Why some scientists want serious research into UFOs
Science grapples with unknown phenomena all the time. Investigating UAP and whether they're related to aliens shouldn't be different, researchers say.
- Animals
These dolphins may turn to corals for skin care
For Indo-Pacific bottlenosed dolphins, rubbing against corals and sea sponges that contain antibacterial compounds could help keep skin healthy.
- Health & Medicine
Unexplained hepatitis cases in kids offer more questions than answers
There is a lot that is unclear about the hepatitis that’s impacting several hundred children worldwide, but parents shouldn’t panic.
- Physics
Here’s why pipe organs seem to violate a rule of sound
Why reedless wind instruments’ fundamental tones are lower than expected is an 160-year-old mystery. Physicists have now solved it.
- Physics
A galactic smashup might explain galaxies without dark matter
Scientists are debating whether a trail of galaxies reveals the origins of two weird dark matter–free galaxies.
- Science & Society
COVID-19 has killed a million Americans. Our minds can’t comprehend that number
We intuitively compare large, approximate quantities but cannot grasp such a big, abstract number as a million U.S. COVID-19 deaths.
- Anthropology
A Denisovan girl’s fossil tooth may have been unearthed in Laos
A molar adds to suspicions that mysterious hominids called Denisovans inhabited Southeast Asia's tropical forests.
- Science & Society
Pressure to conform to social norms may explain risky COVID-19 decisions
As a science reporter covering COVID-19, I knew I should mask up at Disney World. Instead, I conformed, bared my face and got COVID-19.
- Particle Physics
High-energy neutrinos may come from black holes ripping apart stars
Where extremely energetic neutrinos originate from is a mystery. A new study supports the idea that “tidal disruption events” are one source.
