Category Science

NASA/Adboe Stock/ Ryan Wills Our universe is expanding, so it must have been smaller in the past. Indeed, if we rewind our cosmological movie, we see the universe shrinking back almost to a point – the big bang – some…

February 18, 2025 5 min read Immigration Fuels Innovation in Science to Make the U.S. More Competitive The U.S. will need more than one million STEM workers in the next 10 years to stay competitive. Immigrants are critical to that…

An artist’s impression of what asteroid 2024 YR4 could look like as it approaches Earth in December 2032 NASA NASA has upgraded the risk of asteroid 2024 YR4 hitting Earth in 2032 to 3.1 per cent, or about a 1-in-32 chance,…

For centuries our solar system was the only planetary system known to humans. We had no proof other worlds existed beyond those in our own cosmic backyard, and we imagined that if other planetary systems were out there, they would…

John Bavaro Fine Art/Science Photo Library For the vast majority of our planet’s history, there were no humans. Today, there are more than eight billion of us. Logically, then, there must have been a moment when Homo sapiens became a…

CLIMATEWIRE | Scientists across the country are in turmoil as President Donald Trump wages an assault on U.S. research. They’re worried about their funding and job security. They’re censoring their language around topics like climate change and diversity. And they’re…

Many millions of years after the big bang, a point of light arose in a dark universe. This first star began to blast out radiation, which knocked electrons off the surrounding fog of hydrogen. More stars formed, turning nearly all…

February 18, 2025 4 min read Broken Legs and Ankles Heal Better If You Walk on Them within Weeks Using crutches for months is largely a thing of the past. Early weight-bearing has real benefits By Lydia Denworth edited by…

AI models struggle to mimic people with particular demographic identities whitebalance.oatt/Getty Images Artificial intelligence models from OpenAI and Meta often resort to simplistic and sometimes racist stereotypes when prompted to portray people of certain demographic identities – a notable flaw…

One evening in 1951 astronomer William Wilson Morgan was strolling home from Yerkes Observatory in Wisconsin when he looked up at the night sky and had a “flash inspiration … a creative intuitional burst.” It solved one of the great…