Pfizer: Omicron-specific COVID-19 vaccine human trials to begin late January

Pfizer confirmed it plans to start human trials of its omicron-specific COVID-19 vaccine later this month, potentially making it available to the public as soon as March.

US surgeons perform 1st transplant of pig heart into human patient

U.S. doctors have transplanted a pig heart into a patient in a last-ditch effort to save his life — a first for medical science.

20 Yellowstone wolves killed by hunters after roaming from park

Hunters shot and killed a record number of Yellowstone National Park's renowned gray wolves that had roamed from the park in recent months.

SpaceX has successful first launch of 2022 with new Starlink mission

SpaceX has successfully launched its first mission of 2022. A Falcon 9 rocket carried a batch of Starlink satellites into orbit from the Kennedy Space Center's pad 39A at 4:49 p.m. on Thursday.

NASA aces James Webb telescope sunshield unfolding

NASA has aced the most complicated, critical job on its newly launched space telescope: unrolling and stretching a sunshade the size of a tennis court.

US airlines look to delay 5G rollout over aviation safety concerns

Airlines for America, a trade group for large U.S. passenger and cargo carriers, said in an emergency filing that the FCC has failed to adequately consider the harm that 5G service could do to the industry.

Pluto should be classified as a planet again, scientists argue

A new study is reigniting the debate over Pluto’s status as a dwarf planet — a clash that has been going for 15 years.

Edward O. Wilson, pioneering Harvard biologist, dies at 92

Edward O. Wilson, a Harvard biologist who argued for a new vision of human nature in “Sociobiology,” has died at 92.

Shark that killed man in California on Christmas Eve was likely a great white

The man was pulled from the waves near Morro Bay on Friday after a surfer saw him face down in the water with a boogie board floating nearby. He was pronounced dead at the scene.

Shark attack leaves California surfer dead on Christmas Eve

A shark attack off State Parks Beach in Morro Bay on Christmas Eve left a surfer dead, authorities said Friday.

Largest cluster of rogue planets discovered by astronomers

A team of astronomers has discovered nearly 70 rogue planets— cosmic objects that resemble a planet but do not orbit a star.

James Webb Space Telescope, world’s largest and most powerful, launched Christmas morning

NASA's James Webb Space Telescope launched successfully early Christmas morning from French Guiana on South America’s northeastern coast, riding a European Ariane rocket into the sky.

James Webb Space Telescope: How to watch launch of Hubble's successor

The James Webb Space Telescope, Hubble’s more powerful successor, is scheduled for liftoff on Christmas morning. Here’s how to watch.