Bit by bit we're getting a clearer picture of the new omicron variant of COVID-19. Stay on top of the latest guidance here.
Some COVID mask requirements have been extended past the original January expiration date, President Biden announced. We'll explain what's going on.
NASA plans to livestream an eclipse that'll throw part of Antarctica into a dusklike darkness.
The billionaire SpaceX CEO is launching satellites into orbit and promising to deliver high-speed broadband internet to as many people as possible.
Texas will no longer be the lone Starship state.
ESA's ExoMars rover won't let a little sand stop it in its tracks.
Scientists and health officials strongly urge booster shots for Moderna and Pfizer as the omicron variant of the virus that causes COVID-19 appears in the US.
There's something interesting on the far side of the moon.
Seven pairs of blades, to be precise.
If it feels like time flies when you're on Earth, just imagine visiting exoplanet GJ 367b.
As of Nov. 17, over 2 million children under 12 had at least one COVID-19 shot. Children under 5 still can't get one, though.
Absolute-unit asteroid 4660 Nereus has been considered as a target for space missions.