March birthstone: Beautiful cool blue or blood red?

Happy birthday to all you March babies! Take your pick: your March birthstone can be the blue aquamarine or the red-speckled bloodstone.

Leap years, and why 2026 isn’t one

If there were no leap years, eventually February would be a summer month for the Northern Hemisphere. The why and when of leap years, here.

Too many satellites? Is Earth’s orbit headed for catastrophe?

Are there too many satellites? The growing number of satellites poses an under-regulated threat of disaster for spaceflight. But it's not too late to act!

Nicolaus Copernicus born 553 years ago today

Today is the 553rd birthday of Nicolaus Copernicus, who removed Earth from the center of the universe and set off a revolution.

Happy Lunar New Year 2026! The Year of the Horse

Lunar New Year 2026 kicks off February 17 with the new moon, marking the start of the Year of the Horse — fireworks, dragons and global celebrations await!

Chelyabinsk meteor: February 15, 2013

On February 15, 2013, the Chelyabinsk meteor streaked across the sky over Russia - brighter than the sun - and then exploded.

Pale Blue Dot 36 years later: Earth in a sunbeam

February 14, 2026, is the 36th anniversary of the Voyager 1 image of Earth. Voyager was near Saturn when it took this image, now known as the Pale Blue Dot.

Be my Valentine? Why we fall in love according to science

Be my Valentine? On this Valentine's Day 2026, read what the world of science says about the mystery we call love, and 10 reasons we fall in love.

Great Backyard Bird Count begins February 13

Show your love for birds by joining the 2026 Great Backyard Bird Count. It's free and easy to participate in this 4-day global event. Find out how here.

Is the whole universe just a simulation? Possibly!

Are we living in a simulation? Is Earth, and the whole universe, a simulation? It might be more likely than you think! Read more here.