3 futurists predict what America will be like in the centuries ahead

From space to healthcare and artificial intelligence, what could the next 250 years of the United States look like?

• Jul 2

NASA strives to save doomed telescope

NASA is in a race against time as the Swift Observatory telescope in orbit sinks closer to Earth. CBS News consultant William Harwood explains the $30 million salvage operation.

• Jun 30

Fossil found in drawer turns out to be first dinosaur bone from Antarctica

Dinosaur fossils are rare to find in Antarctica because of the unforgiving ice caps. But millions of years ago, the region was populated by lush forests.

• Jun 30

NASA prepares to launch rescue to save telescope from falling to Earth

The $30 million salvage operation gets underway as soon as this week with the planned launch of a robotic lifesaver.

• Jun 28

Astronomers find 2 gigantic planets lighter than cotton candy

The featherweight pair — orbiting a star 1,110 light-years away — are the biggest exoplanets found to have less density than cotton candy.

• Jun 25

Ancient Egyptian burial site reveals centuries of changing traditions

Human and animal remains unearthed in Egypt's Nile Delta reveal changing funerary practices over some 600 years, and the evolution of a key site itself.

• Jun 24

Telescope snaps most detailed photo yet of Milky Way's heart

Euclid is on a mission to chart one-third of the sky in the hopes of shedding light on the enduring mysteries of dark matter and dark energy.

• Jun 24

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.

• Jun 22

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.

• Jun 21

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.

• Jun 12

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