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Science

The latest science news, photos and videos covering space, the environment, human development and more.

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Extreme heat is scorching fast-growing cities and it could be deadly, study finds

People flocking to cities in rapidly urbanizing areas such as southern Asia and sub-Saharan Africa are increasingly vulnerable to soaring temperatures and high humidity. 
Hot Summer Day In Ajmer
Hot Summer Day In Ajmer

Climate change is skewing economic data — and the stakes are high for economists to get it right

“What we can assume, reasonably, is that climate change is impacting business operations,” said one economist.
Image: Smokestacks
Image: Smokestacks

Vikings were in North America in 1021, well before Columbus, researchers say

Wood at a settlement in Canada's Newfoundland that was cut with metal tools helped researchers pinpoint when the Norse first reached the continent — well before Columbus.
Image: reconstructed Norse longhouse
Image: reconstructed Norse longhouse

U.S. surgeons successfully test pig kidney transplant in human patient

Researchers have been working for decades on the possibility of using animal organs for transplants. Wait times for a kidney average three-to-five years.
The surgical team examines the pig kidney for any signs of hyperacute rejection, as the organ was implanted outside the body to allow for observation and tissue sampling during the 54-hour study period, at NYU Langone in New York, U.S., in this undated handout photo.
The surgical team examines the pig kidney for any signs of hyperacute rejection, as the organ was implanted outside the body to allow for observation and tissue sampling during the 54-hour study period, at NYU Langone in New York, U.S., in this undated handout photo.

Fossil fuel plans would far overshoot climate goals, study finds

Governments are still planning to extract double the amount of fossil fuels in 2030 than what would be consistent with the 2015 Paris climate accord’s goals.
Emissions rise from the smokestacks at the Jeffrey Energy Center coal power plant on Sept. 18, 2021, near Emmett, Kan.
Emissions rise from the smokestacks at the Jeffrey Energy Center coal power plant on Sept. 18, 2021, near Emmett, Kan.

After lecture is canceled, free speech debate roils science academia

Some academics are pushing back against what they see as personal politics that overshadows scientific work. Others stress that actions have consequences.
UC Berkeley Campus
UC Berkeley Campus
5d ago

Diver finds 900-year-old sword thought to belong to Crusader knight

The artifact was found in an area thought to have been used as a temporary anchorage as early as the Late Bronze Age.
A sword believed to have belonged to a Crusader who sailed to the Holy Land almost a millennium ago was found in Caesarea
A sword believed to have belonged to a Crusader who sailed to the Holy Land almost a millennium ago was found in Caesarea

Choosing 'junk' over facts, Miami school forces vaccinated students to stay home for 30 days

Centner Academy, a private school in Miami, is forcing vaccinated students to stay home for 30 days after getting the shot to avoid "vaccine shedding," a false claim that has been completely debunked by the CDC. Brandy Zadrozny reports. 
Choosing 'junk' over facts, Miami school forces vaccinated students to stay home for 30 days
Choosing 'junk' over facts, Miami school forces vaccinated students to stay home for 30 days

Australia starts chlamydia vaccine trial in koalas

Australia's University of the Sunshine Coast announced it is enrolling 400 koalas in a trial to see whether a vaccine can prevent infection.
A koala is vaccinated against chlamydia at the Australia Zoo Wildlife Hospital in Queensland, Australia, on Oct. 15, 2021.
A koala is vaccinated against chlamydia at the Australia Zoo Wildlife Hospital in Queensland, Australia, on Oct. 15, 2021.
5d ago

A planet 6,000 light years from Earth reveals how the end of our solar system will look

A gas giant orbiting a burned-out star foretells what will happen here in about 5 billion years, researchers say.
An artist’s rendition of the newly discovered Jupiter-like planet orbiting a white dwarf, or dead star.
An artist’s rendition of the newly discovered Jupiter-like planet orbiting a white dwarf, or dead star.
7d ago

NASA's asteroid hunter Lucy soars into sky with diamonds

An Atlas V rocket blasted off before dawn Saturday, sending Lucy on a roundabout orbital journey spanning nearly 4 billion miles.
Image: NASA's Lucy spacecraft, atop a United Launch Alliance Atlas 5 rocket, launches from Cape Canaveral Space Force Station
Image: NASA's Lucy spacecraft, atop a United Launch Alliance Atlas 5 rocket, launches from Cape Canaveral Space Force Station

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