9 Things You Didn’t Know About Black Holes
An artist’s impression of GRB 221009A, which may have heralded the birth of a black hole.Image: NASA/Swift/Cruz deWildeBlack holes. Despite…
Hubble Telescope Images Abell 3322
The Hubble Space Telescope is no spring chicken, having operated in space for over 30 years. But the veteran observatory…
Helium in Galaxies May Reveal Why the Universe Exists
When theoretical physicists like myself say that we’re studying why the universe exists, we sound like philosophers. But new data…
