Scores of researchers and scientific groups have been warning that research toward the creation of mirror life should not be conducted. Not everyone is convinced.

Physicists have long struggled to make the general theory of relativity and quantum mechanics agree, and some scientists ...

For decades, scientists have puzzled over why certain atomic nuclei unexpectedly produce large numbers of low-energy gamma ...

A strange surplus of baryons emerging from smashed nuclei has given physicists their strongest test yet of a decades-old ...

Researchers leveraged Muon g-2 tracking detectors to measure positron decay angles with unprecedented sensitivity.

Researchers have nailed down an elusive quantity called baryon number, which may be responsible for the cosmic mismatch between matter and antimatter ...

A leading hypothesis suggests the Big Bang may have created two universes at once - our matter-filled cosmos and a mirror universe made entirely of antimatter. In that parallel reality, charge, space ...

Dark matter particles may exert a hidden force on one another, but its effects are stranger than expected. An extra attraction helps the particles cluster, yet it also makes dark matter effectively ...

About an hour into Dr. Anthony Fauci’s appearance before a Senate committee last week, Senator Ron Johnson, Republican of Wisconsin, expressed skepticism about a passage in Fauci’s personal diary ...

Peter Foukal’s July 22 letter, “Scientific community brought Trump’s funding threat on itself,” asserts that President Trump’s Office of Management and Budget proposed changes to federal funding ...

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. You’re listening to part two of our summer reading series. Today I’m chatting with SciAm’s books and culture lead, Bri ...