UK scientists and meteor experts have recovered pieces of a rare meteorite, just days after it entered Earth's atmosphere and streaked across the sky. Researchers are ecstatic. "Normally we have to send spacecraft to collect bits of other worlds, but this time one has fallen right into our laps!" one said.

Vote for your favorite photo of Earth taken by ISS astronauts in NASA's Tournament Earth 2021 contest.

Remember in late 2019, when the famous red star Betelgeuse suddenly and mysteriously began dimming in brightness? Astronomers studying a similar star - VY Canis Majoris, one of the largest and brightest stars in our galaxy - commented that it's "... behaving a lot like Betelgeuse on steroids."

In the predawn/dawn sky on March 8, 9 and 10, 2021, let the old moon serve as your guide to the three morning planets: Mercury, Jupiter and Saturn.

Steamboat Geyser in Yellowstone National Park began a new period of heightened activity in March 2018. It's had more than 100 major eruptions since then. Scientists want to know why.

A billion years from now, as the sun heats up, the warmer atmosphere will break down carbon dioxide, killing off plant life, which in turn will shut off Earth's source of oxygen.

Three very strong earthquakes in the ocean near New Zealand took place in less than 8 hours on Friday, local time. Tsunami warnings went out across the Pacific, including Hawaii, but have now been lifted.

Most exoplanets orbiting close to their stars don't have atmospheres. But Gliese 486b - orbiting a red dwarf star only 24 light-years away - does. It's close enough to see well. Astronomers will be watching it!

Let the moon show you Antares, a red supergiant star and the brightest star in the constellation Scorpius the Scorpion on the morning of March 5.

On Friday, March 5, two astronauts will perform the 2nd in a pair of International Space Station spacewalks to ready the station for solar array upgrades. How to watch live.