Air quality briefly improved amid 2020 COVID-19 lockdown, UN says

The World Meteorological Organization, releasing its first ever Air Quality and Climate Bulletin on Friday, cautioned that the reductions in pollution were patchy.

California mom saves son, 5, from mountain lion attack using her 'bare hands'

A Los Angeles-area woman used her bare hands to fight off a 65-pound mountain lion that was attacking her 5-year-old son on Thursday, according to the California Department of Fish and Wildlife.

'UFO' seen on Florida Turnpike turns heads

What appeared to resemble an unidentified flying object floating along a highway in Dade County, Florida had some doing a double-take.

Fauci expects vaccine uptick, hopes pandemic control could come in spring 2022

Dr. Anthony Fauci said he expects an uptick in vaccination rates following Pfizer’s full approval, and predicted that if enough people do get vaccinated, the country could see COVID-19 under control in the spring of 2022.

Comirnaty: Pfizer-BioNTech explains COVID-19 vaccine name’s meaning

According to Pfizer-BioNTech, “Comirnaty” is the brand name of its COVID-19 vaccine: a mash-up of COVID-19, mRNA, community and immunity.

NIH scientists develop faster, less costly COVID-19 test

NIH scientists discovered a new COVID-19 test technique that may reduce test time and cost while increasing efficiency.

Perseid meteor shower peaks: When, where and how to watch

NASA warns that the next Perseid meteor shower may not be visible until 2024. The agency expects the sky in 2022 and 2023 will not be ideal during the Perseids’ peak.

Bennu asteroid: Earth's chances of collision with space rock slim, NASA says

Scientists have fine-tuned the path of the asteroid Bennu and say the odds of it smacking into Earth are higher than previously thought but still quite low.

AstraZeneca COVID-19 vaccine nasal spray effective in animals, NIH says

NIH researchers are currently testing a nasal spray version of the AstraZeneca COVID-19 vaccine that has proven effective in hamsters and monkeys.

Bezos offers to cover $2B in NASA costs in exchange for moon mission contract

Jeff Bezos offered to cover $2 billion in NASA costs in exchange for Blue Origin to gain a lunar-lander contract to help put astronauts on the moon.

Ganymede: Hubble Telescope finds 1st evidence of water vapor on Jupiter’s moon

NASA has found evidence of water vapor on one of Jupiter's moons, a discovery that gives more insight into the possibility of habitats on Jupiter-like exoplanets.

Asteroid the size of Giza pyramid, Taj Mahal passes 'close' to Earth

The 2008 GO20 asteroid is between 318 and 720 feet tall and has drawn comparisons to the Taj Mahal and the Great Pyramid of Giza.

Nobel prize winner, physicist Steven Weinberg dies at 88

“The passing of Steven Weinberg is a loss for The University of Texas and for society,” UT President Jay Hartzell said in a statement.