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Tuesday, June 23, 2026 4:38 AM ET

CBS News - Science

Interstellar comet may be oldest object ever seen in solar system -- Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

15 hours ago

6/21: Sunday Morning -- Hosted by Lee Cowan. Featured: Birthright citizenship; the Theodore Roosevelt Presidential Library unveiled; Shooter Jennings releases recordings by his father, Waylon Jennings; comedian John Mulaney; childhood obesity; and the secrets of seahorses and seadragons.

15 hours ago

Seahorses and seadragons, some of Nature's most curious creatures -- Seahorses are unique ocean inhabitants with a head like a horse, a pouch like a kangaroo, a tail like a monkey, and the ability to camouflage themselves like a chameleon. They also exhibit an unconventional gender dynamic, in that the males do the work of carrying around fertilized eggs. Correspondent Conor Knighton goes in search of these fascinating fish - and their equally fascinating cousins, seadragons - at the Birch Aquarium at the Scripps Institution of Oceanography in California.

1 day ago

Watch: Pentagon releases 6 new UFO videos -- The Defense Department released a third batch of UFO files on Friday, three weeks after its second drop. These are all of the videos in the latest tranche, plus analysis from astrophysicist Avi Loeb.

1 day ago

Goblin shark seen alive in natural deep-sea habitat for the first time -- The goblin shark had only previously been seen when caught by fishermen and they died shortly afterward. -- Jun 12

15 hours ago

World's largest whale graveyard found by sub at bottom of ocean -- The researchers saw many strange animals - many believed to be new to science - living off the whale carcasses. -- Jun 10

10 days ago

NASA names 4 astronauts for next Artemis mission -- NASA's Artemis III astronauts plan to carry out rendezvous and docking procedures with commercial moon landers being built by SpaceX and Blue Origin. -- Jun 9

12 days ago

Great white shark captured on video in Mediterranean in rare sighting -- Great white sharks are classified as "critically endangered" in the Mediterranean Sea, and underwater sightings are incredibly rare. -- Jun 8

13 days ago

El Ni o could bring more widespread coral bleaching, NOAA warns -- The expected arrival of El Ni o this summer could trigger another mass coral bleaching event, which would be the fifth on record, researchers said. -- Jun 3

14 days ago

Scientists find yeast in frozen mummy's guts, use it to make bread -- More than 5,300 years ago, Oetzi the Iceman was strolling through the Alps on the border of Austria and Italy when he was killed by an arrow in the back. -- Jun 3

18 days ago