Hubble's iconic images captured the public's imagination. Will NASA's next big space telescope, which sees infrared light, produce astronomy scenes that pack a similar punch?
Marking the latest step in the commercialization of space, the SpaceX mission set to launch Wednesday will carry four civilians, including a billionaire CEO, a physician assistant and a geoscientist.
The average person doesn’t need a COVID-19 booster yet, an international group of scientists — including two top U.S. regulators — wrote Monday in a scientific journal.
Mexicans are sharing spectacular videos of bursts of blue lights seen streaking across the skies after a 7.0 earthquake rattled the country's Pacific coast on Wednesday.
For two weeks at the end of every summer, thousands of nighthawks fly over Duluth during their marathon migration to South America. It's the largest known migratory concentration of the common nighthawk in the world.
An experiment involving dog treats suggests our canine pals may understand the difference when a human withholds a treat by accident versus doing it on purpose. But don't press your luck.
New research finds that sac-winged bat pups — a species of bat found in Central and South America — like to "babble" in ways that are remarkably similar to human babies.
The global combined land and ocean-surface temperature was 1.67 degrees Fahrenheit above the 20th-century average, according to NOAA, the hottest in 142 years of record-keeping.
The first live giant "murder hornet" of 2021 has been spotted in Washington state — and it was caught in the act of living up to its name, attacking a wasp nest.
A panel of CDC advisers recommended a third dose of the Pfizer or Moderna vaccine for people with weakened immune systems. It follows the FDA authorization a day earlier.