Unexpected element found in atmosphere of hot exoplanets

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — Astronomers have spotted an unexpected chemical element high within the atmosphere of two sizzling exoplanets where liquid iron and gems rain down from the skies. The two exoplanets, which orbit separate stars beyond … Read more

This Giant Kangaroo From 50,000 Years Ago Isn’t Even Related to Australian Ones

Long ago, almost up until the end of the last ice age, a peculiar giant kangaroo roamed the mountainous rainforests of New Guinea. Now, research published by myself and colleagues suggests this kangaroo was not closely related to modern Australian kangaroos. Rather, it represents a previously unknown type of primitive kangaroo unique to New Guinea. … Read more

Mastodon tusk reveals North America migration patterns

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — A male mastodon died fighting with a rival during mating season about 13,200 years ago in what is now northeast Indiana. Now, his well-preserved fossil and tusks reveal not only how the 8-ton … Read more

Repeating fast radio bursts from space are mysterious. This one is even weirder

A version of this story appeared in CNN’s Wonder Theory newsletter. To get it in your inbox, sign up for free here. CNN — It’s a distinctly human trait to believe the impossible is a puzzle waiting to be solved. We’re driven to determine if “the truth is out there.” If we just had all … Read more

Man looking for Frisbees in Florida lake killed in gator attack

A man looking for Frisbees in a Florida lake on Tuesday was killed by an alligator, according to authorities and media reports. Citing a news release from the Largo Police Department, the Tampa Bay Times reported that it’s believed the 47-year-old man went into Taylor Lake at John S. Taylor Park in Largo — just … Read more

Expert: Monkeypox likely spread by sex at 2 raves in Europe

LONDON (AP) — A leading adviser to the World Health Organization described the unprecedented outbreak of monkeypox in developed countries as “a random event” that might be explained by sexual behavior at two recent raves in Europe. Dr. David Heymann, who formerly headed WHO’s emergencies department, told The Associated Press that the leading theory to … Read more

Dolphin deaths: Reward offered for information after deadly interactions with humans in Texas and Florida

CNN — Officials are offering rewards for information on people who may have harmed two dolphins that later died in Texas and Florida. NOAA Fisheries, a division of the National Oceanic and Atmospheric Administration, announced up to $20,000 for information on anybody who harassed a sick dolphin last month on Quintana Beach in Texas. The … Read more