Almost every day, the SWAN instrument aboard the sun-watching SOHO spacecraft makes a map of the sky. Anyone with internet access can view the maps and join the search for new comets. To date, 12 comets have been spotted in the SWAN data!

Are murder hornets from Asia invading North America? An entomologist who lived among them in Japan explains what's true about the predatory insects.

"The concept is broadly similar to an artificial leaf," researchers said.

It’s a spectacular achievement to rendezvous with an asteroid as it’s whizzing around the sun. It's even more amazing to collect a sample. That's what the Hayabusa2 spacecraft did in February 2019. Here's what researchers learned.

Italy’s northern border with Switzerland depends on the natural, morphological boundaries of glaciers’ frontiers. But in recent years, glaciers have been melting at increased rates due to climate change. This has caused the border to shift noticeably.

The colossal iceberg from Antarctica’s Larsen-C Ice Shelf finally fractured in April, generating a new 51-square-nautical-mile iceberg.

Only 1,000 light-years away, the star system can be seen with the unaided eye.

A new study has offered the clearest indication yet of how insects all over the world are faring. The researchers studied data on the numbers and total weight of insects and arachnids (spiders and mites) sampled in 41 countries on five continents.

Every time the virus copies itself it makes mistakes, creating a trail that researchers can use to build a family tree with information about where it's traveled, and when.

Aerosols are the tiny particles of liquids and material that float around in our environment. When they come from an infected person, they may be a significant source of coronavirus transmission. The science of infectious aerosols.