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Gaze at the Cosmic Dawn in Dizzying Detail
A new simulation offers a highly immersive look at what happened during the first couple of billion years following the Big Bang.
Neutrinos Are Everywhere. A Physicist Explains.
Dr. Francis Halzen, the recipient of the Nobel Prize in Physics, sheds some light on the mysterious, subatomic particles that whiz through us everyday.
Shiny Glass Skyscrapers Are a Hot Thing. Literally.
They’re transforming cities with million-dollar views and a message of modernity. But climate change makes cooling them tricky and costly.
What Happened to the Neanderthals?
Scientists now know that they shared many of the sophisticated abilities of Homo sapiens. So why are we the only humans left standing?
What Amy Poehler’s New Series, ‘Dig,’ Gets Right About Archaeology
To get the science right, classical archaeologists, who excavate the world of the ancient Mediterranean, consulted on the show, which also stars Hugh Laurie.
Some Buy Telescopes. These People Build Them From Scratch.
For a century, amateur telescope makers have gathered at the Stellafane convention to celebrate their craft. Will the event last another 100 years?
NASA Is Still Aiming for the Next Moon Landing in 2028
Administrator Jared Isaacman said that the space agency was exploring ways to keep Artemis III on target without compromising safety.
Are Fewer Teens Identifying as Gay or Bisexual? It’s Complicated.
New data have prompted questions about changes in teens’ sexual orientations. But researchers disagree on how much the numbers can really tell us.
Chimps Steal Less Often From Their Friends, Even When Offered Pineapple
The discovery may hint at the roots of human norms around fairness and friendship.
Melanoma Vaccine Ushers in New Hope for Cancer Patients
Beyond melanoma, scientists are studying cancer vaccines for glioblastoma, pancreatic cancer and more.
Melanoma Vaccine Ushers in New Hope for Cancer Patients
Beyond melanoma, scientists are studying cancer vaccines for glioblastoma, pancreatic cancer and more.
Heat Waves Killed an Estimated 50,000 in European Cities, a Likely Record
This summer’s heat was the continent’s deadliest by far this century, according to new peer-reviewed estimates.
Losing Ground in the Climate Fight
From Brazil to the North Sea, economic interests have been edging out climate priorities this week.
Key Trump Health Adviser Resigns Ahead of Midterm Elections
Calley Means, who helped unite Robert F. Kennedy Jr. and President Trump, pushed food reforms but grew frustrated with stalled progress on the MAHA agenda.
I.U.C.N. Red List Classifies Most Shallow Coral Reefs as Critically Endangered
If climate change continues apace, 96 percent of shallow coral reef ecosystems may collapse within 50 years, including in Australia’s Great Barrier reef.
Google Eyes Large ‘Virtual Power Plant’ for Data Centers
The tech giant is funding one of the nation’s largest “virtual power plants,” which would pay homes and businesses to adjust their energy use when grids are strained.
Earth and Mars May Have Formed in Weirdly Different Ways
Chemical clues and computer simulations suggest the two rocky planets have unique origin stories.
Alzheimer’s Researchers Look at an Unusual Data Point: Head Shape
Could the geometry of our brains increase the risk of Alzheimer’s disease? It’s a provocative question, but one that some scientists are beginning to explore.
Australian Zoo Plays Matchmaker for Giant Birds, and Big Green Eggs Are Proof
A southern cassowary at the Adelaide Zoo has laid eggs there for the first time in 34 years, after a carefully managed breeding process.
C.D.C. Ignored Request From States to Validate a New Measles Test
The agency replied two months later, saying it had “competing priorities,” officials from a coalition of Western states said.
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