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

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

The US is offering vaccines to certain people exposed to monkeypox. Here’s what you should know

CNN — As global health leaders investigate an unusual outbreak of monkeypox across more than a dozen countries, discussions in the United States have turned to vaccination against the disease – and certain people exposed to the virus could be offered a vaccine. Vaccines for monkeypox are now available to some health care workers treating … Read more

Anyone can get monkeypox, but CDC warns LGBTQ community about ‘greater chance’ of exposure now

CNN — Anyone can get or spread monkeypox, but a “remarkable fraction of cases” in the latest global outbreak are happening among gay and bisexual men, the US Centers for Disease Control and Prevention said Monday. “Some groups may have a greater chance of exposure right now, but by no means is the current risk … Read more

Biden mourns 1 million US Covid deaths as ‘irreplaceable losses’

CNN — President Joe Biden on Thursday mourned 1 million American deaths from Covid-19, using the occasion to again urge Congress to pass additional funding to control the pandemic. While other official tallies have placed the figure a bit short of that mark, Biden marked the moment during the White House’s latest Virtual Global Covid-19 … 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