Why you sweat, and why that's a good thing
During this summer of record-breaking heat, no other bodily function is so essential yet so misunderstood. What exactly does excreting water through our skin do for us?
Science
The science and art of lightning
Beautiful and dangerous, lightning bolts are one of nature's most captivating and misunderstood phenomena.
The science of sweat
Humans are rare among animals in that we possess sweat glands all over our bodies, which can produce moisture, and even embarrassment. But what exactly does excreting water through our skin do for us? Correspondent Faith Salie talks with biologist Andrew Best, and with Sarah Everts, author of "The Joy of Sweat," to discuss the science behind perspiration.
The secrets of lightning
Beautiful and dangerous, lightning bolts are one of nature's most captivating and misunderstood phenomena. Correspondent David Pogue looks into some of the misconceptions about lightning; meets a woman who survived millions of volts coursing through her body; and talks with photographer Lori Bailey, who has captured brilliant, millisecond-long displays of lightning.
Octopuses use ocean bottom "natural hot tub" to hatch eggs more quickly
Scientists have dubbed the spot off California "Octopus Garden." They say warm air from an extinct volcano speeds the hatching of eggs, cutting the risk the laid eggs will be eaten by predators.
Climate change contributed to Canada's extreme wildfires, report says
A new study determined that Canada's fires were fueled by human-induced changes in temperature and humidity.
Webb telescope makes "surprising" discovery in halo of dying star
New images from the James Webb Space Telescope have revealed intricate details of a dying star's final stages, NASA said.
Light pollution is killing the vibe for courting fireflies
As many as 1 in 3 lightning bug species in America could be under threat, scientists say.
Top 10 deadliest hurricanes in U.S. history
The Great Galveston Hurricane is known as the deadliest weather disaster in United States history, killing at least 8,000 people, with some estimates as high as 12,000 people.
In breakthrough, pig kidney works in human body for a month
This experiment marks the longest a genetically-engineered pig kidney has functioned after a transplant, according to NYU Langone Health.
live updates
Government faces midnight shutdown deadline as Senate plans vote
The Senate plans to vote for a House-passed bill to keep the government open, but Democrats remain opposed ahead of a midnight deadline. Follow live updates here.
Trump, Hegseth rally troops at rare meeting, rail against "woke" standards
Defense Secretary Pete Hegseth touted the new name, the Department of War, saying "the era of the Department of Defense is over."
Pfizer to lower some drug prices as White House builds "TrumpRX" website
The president has also said the U.S. will begin imposing 100% tariffs on patented pharmaceutical products if manufactured outside of the U.S.
Hamas leaning toward accepting Trump's Gaza plan quickly, source says
Hamas and other Palestinian factions are expected to present their response to Trump's Gaza ceasefire plan quickly, a source tells CBS News.
Imelda strengthens into a hurricane off the Bahamas
Imelda, the ninth named storm of the 2025 Atlantic hurricane season, strengthened into a hurricane on Tuesday.
Exclusive
ICE officer seen on video pushing woman to ground has returned to duty
An ICE officer who was initially relieved of his duties after being captured on video pushing a woman to the ground has been returned to duty, two U.S. officials familiar with the matter told CBS News.
U.S. sending home 120 Iranians detained for illegal entry, Iran says
Iran says a deal with the Trump administration will see as many as 400 Iranian nationals in the U.S. without permission sent back home.
ACA tax credits for 22 million are at the center of the shutdown drama
With time running out to avert a government shutdown, millions of Americans who get health insurance under the Affordable Care Act could soon face sharply higher premiums.
U.S. sees surge in baptisms as more Gen Z men embrace faith
A nationwide event drew 30,000 people and marked a broader trend of rising baptisms, with Gen Z men leading a new wave of faith.