By Leah Crane The Sloan Digital Sky Survey used a 2.5-metre telescope in New Mexico to capture the biggest map of the universeSloan Digital Sky Survey A huge 3D map depicts 11 billion years of cosmic history and places the tightest constraints ever on our best model of the universe. Captured by the Sloan Digital Sky…
By Leah Crane Could tiny black holes explain dark matter?NASA/JPL-Caltech If black holes formed in the first seconds after the big bang, they may still be around in colossal clusters that are practically invisible. In the very early universe, everything was so dense that the radiation that filled the cosmos could have collapsed to create…
It is easy to regard the sun as humdrum, yet it contains elements blasted from the universe’s first stars as they died and is halfway through its 9-billion-year lifespan Space | Comment 15 July 2020 By Chanda Prescod-Weinstein NASA/JPL-Caltech/GSFC YOU should never stare directly at the sun. This isn’t a euphemism of some kind –…
By Leah Crane The big bang kicked off the expansion of the universeNICOLLE R. FULLER / SCIENCE PHOTO LIBRARY The universe is constantly expanding, and that expansion is accelerating, but we aren’t sure exactly how quickly. Two sets of measurements to estimate the rate of expansion conflict with one another, which may be a sign…
By Leah Crane Spiral galaxies have revealed a clue about the early universeNASA, ESA and the Hubble SM4 ERO Team The early universe may have been spinning, leaving a trace still visible in the skies today. Lior Shamir at Kansas State University and his colleagues used three of the world’s most powerful observatories – the…
4 min read This column first appeared in the Men’s Health email newsletter. The Optimized Man is a biweekly series from our editorial director as he tries out the latest, greatest, and weirdest health and wellness innovations so you don’t have to. Sign up here to get the next one. I’VE TRIED TO build a
Published: November 06, 2026, 10:41 pm Last updated: November 07, 2026, 12:20 am A California pumpkin patch and petting zoo associated with an outbreak of E. coli O157:H7 infections reopened Nov. 6 with the owners saying environmental tests for the pathogen had come back negative. The San Luis Obispo county health department has not posted
Healthcare affordability. Abortion access. “Medicare for All.” Healthcare was a major force behind the big wins for Democrats in this week’s midterm elections. But the debate over what the Democratic Party will do next is just getting started. KFF Health News chief Washington correspondent Julie Rovner appeared on WAMU’s Health Hub on Nov. 4 to