Tia Ghose

A small trial used designer CAR T cells to reboot the immune systems of patients with three autoimmune diseases, but it's still too early to say whether the treatment works in the long term.

Scientists reprogrammed a woman's fat cells to become insulin-making beta cells, reversing her type 1 diabetes.

From the humble trillion to Graham’s number, here are some of the most massive numbers ever conceived by humans.

Expect an above-average hurricane season, forecasters say.

SpaceX Polaris Dawn astronaut Jared Isaacman briefly "touched the void" as he embarked on the first-ever private spacewalk Thursday (Sept. 12).

Defense systems found in all complex life, including the human body, came from primeval microbes known as 'Asgards.'

Scientists sequenced the largest known animal genome in a species of lungfish — ancient fish that breathe air.

A new study has cleared up misconceptions about the extinct dodo, identifying the reference specimen for the species and showing they were fast and powerful.

The moon was once thousands of miles farther away than it is now, and Earth's days were 2.2 hours longer, a new study finds.

An amateur fossil hunter in Mississippi found the first known mammoth fossil in the region — a well-preserved tusk that weighed about 600 pounds (270 kilograms).

Google's DeepMind has been used to train a robot arm to play table tennis, and it beat human players.

The same physics that underlie mayonnaise could help physicists corral the ultrahot plasma needed to produce nuclear fusion.

Dramatic cliffs and high plateaus are caused by the same wave triggered in Earth's middle layer when continents pull apart, a new study finds.

China plans to launch more than 100 satellites for its new "constellation" this year and thousands more by the end of the decade.

Scientists have found a mysterious signal in the brightest gamma ray burst ever detected, and now they know what caused it.

On Pi Day (March 14) we celebrate perhaps the most iconic irrational number on Earth. From its ancient origins to the unanswered questions, here are some of the most surprising facts about pi.

Animals may change their behavior in response to the solar eclipse on August 21, research suggests.

“When two populations are close to one another but they are very distinct — maybe they can have a different language and different traditions, they are in neighboring territories — they are going to exchange their women.”

Rare sightings and haunting creatures of the deep appeared on beaches around the world this year — here are 10

In 2023, Live Science reporters took a deeper look into the first Americans, killer whales and the sun’s explosive peak.