In 1959, physicists James Terrell and Roger Penrose (Nobel laureate in 2020) independently concluded that fast-moving objects should appear rotated. However, this effect has never been demonstrated.

Arp 184 or NGC 1961, a skewed or "peculiar" spiral galaxy, is still stunning in this image from the Hubble Space Telescope.

Cuttlefish wave their expressive arms in four distinctive dancelike signals—potentially letting them communicate visually and ...

Mild structural changes visible in knee MRI scans are already common among adults in their thirties – even in those without knee pain or other ...