Scientists seek COVID-19 origin nearly 2 years into pandemic

Nearly two years into the COVID-19 pandemic, the origin of the virus tormenting the world remains shrouded in mystery.

4660 Nereus, asteroid the size of the Eiffel Tower, to fly past Earth

Asteroid 4660 Nereus is expected to come within 2.4 million miles of Earth on Dec. 11, which is close in asteroid terms. Here’s what to know about it.

Recently-discovered comet visible from Earth for a short time

The comet called Leonard will be visible by earthlings for only a few days next week as it makes its way to the inner solar system.

NASA selects 10 new astronauts ahead of moon, Mars explorations

More than 12,000 applied for the coveted spots. The 10 selected are in their 30s and 40s, and face two years of training before becoming eligible for spaceflight.

Fossils reveal a new dinosaur species that was the size of dogs

The plant-eating critter had a combination of traits from different species that initially sent paleontologists down the wrong path.

Alameda company gives rare look at hurricanes with 'explorer drones'

A company in Alameda is giving scientists a rare look at the surface of the Atlantic Ocean during a Category 4 hurricane with “explorer drones.”

Oxford scientist behind COVID-19 vaccine says next pandemic may be worse

Professor Sarah Gilbert, one of the scientists behind the Oxford-AstraZeneca COVID-19 vaccine, is warning that more money needs to be devoted to research and preparations.

Antarctica observes total eclipse, next one expected in 2039

Saturday’s total eclipse was a rare event in Antarctica, only to have happened one other time in the last century.

NASA astronauts replace damaged antenna on International Space Station

Two astronauts replaced a damaged antenna on the International Space Station. The repairs were captured in a social media video posted by NASA.

SpaceX Starlink launch lights up Florida's sky

Another batch of Starlink internet satellites is on its way to orbit after a brilliant evening launch from Florida.

Space junk forces spacewalk delay; too risky for astronauts

NASA called off a spacewalk Tuesday because of menacing space junk that could puncture an astronaut’s suit or damage the International Space Station.

Rattlesnake gets up close and personal with trail camera

A father and son got a little more than what they bargained for when they left out a bowl of water for nearby rattlesnakes.