Teen who received life-saving transplant reacts to medical breakthroughs using pig organs

A human donor saved the life of 15-year-old Wilfre Mercedes. Today, after doctors successfully transplanted a pig's heart into a human patient, Mercedes is hopeful thousands of others on transplant waiting lists can go on living, just like he did.

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.

Britain's largest ‘sea dragon’ unearthed at water reserve

A team at the Rutland Water Nature Reserve discovered the fossilized skeleton of a giant ichthyosaur, or “sea dragon.”

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.

'I was screaming': Georgia woman trapped in car swept up by tornado

The Newton County woman and her brother were trapped in their car as a tornado lifted them up and smashed them into the ground multiple times.

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.

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.

Velociraptor's ancient relative: Fossils from 125M years ago discovered in UK

Fossils of the velociraptor’s ancient relative from more than 100 million years ago were unearthed in the U.K. and detailed in a new study.

‘Baby Yingliang’: Preserved fossilized dinosaur egg discovered in China

“Baby Yingliang” is a well-preserved fossilized dinosaur egg that has given scientists another link between prehistoric creatures and modern birds.