West Nile and EEE: What's the difference between the mosquito-borne viruses?

The mosquito is the world’s deadliest animal, and dangerous infections have been in the headlines lately. Here’s what to know about the diseases and how to tell them apart.

NASA astronaut stuck in space reports ‘strange noises’ coming from troubled Starliner capsule

A NASA astronaut at the International Space Station (ISS) on Saturday reported hearing a "strange noise" coming from the Boeing Starliner spacecraft just days before it is set to leave the station and return to Earth on autopilot.

Watch: Massive fireball wows onlookers in four states

A massive fireball stunned onlookers as it streaked across four states. Scientists are now on the hunt for pieces that may have fallen to the ground.

Who is the youngest person in space? Depends who you ask

Blue Origin has launched the oldest person, the youngest person and now the youngest woman into space – at least by their metric.

This bill bans chemtrails, but do they even exist?

Tennessee recently passed a bill to ban chemtrails, igniting debates over whether they exist. Explore the origins of the chemtrails conspiracy theory, its influence on legislation, and expert opinions that debunk the myth, explaining the true nature of these airplane trails.

‘Almost identical’ dinosaur tracks found in Brazil and Africa. Here’s what that proves

More than 260 dinosaur footprints discovered in Brazil and Cameroon provide further evidence that South America and Africa were once connected as part of a giant continent millions of years ago, according to a recent study.

Rugby legend Percy Montgomery rescues stranded dolphin calf on Cape Town beach

Springbok Rugby World Cup champion Percy Montgomery became a hero after rescuing a stranded dolphin calf on a beach near Cape Town earlier this month.

Here's when NASA's Starliner astronauts will finally come home – and how

NASA says it's not safe enough to let Butch Wilmore and Suni Williams fly the new Starliner spacecraft back to Earth, so they'll come home aboard a SpaceX Dragon capsule next year. Meanwhile, Boeing will suffer the ignominy of being bailed out by a rival.

WA Fish & Wildlife warns of 'catastrophe' after finding invasive mussel

Washington State Fish and Wildlife officers are sounding the alarm after a highly-invasive zebra mussel was discovered at an aquarium wholesaler in Renton.

'Bizarre-looking' creature getting a helping hand from North Carolina conservationists

The hellbender is a large, aquatic salamander that favors clean, cool water, and spends most of the time under rocks. The U.S. Fish and Wildlife Service estimates that the population has dropped significantly since the 1970s.