Millions of Americans can see a total lunar eclipse

What Happens If Asteroid 2024 YR4 Strikes Earth — And Why We Can’t ‘Nuke’ It
An asteroid between about 130 and 300 ft. (40 and 90 meters) in diameter has been given a 2.3% chance of it hitting Earth on ...
What Is The Outermost Layer Of Earth’s Atmosphere Called?
The exosphere is the outermost layer of Earth’s atmosphere, where space begins. It has almost no air, and satellites orbit ...
What If on MSN7d
What If Earth's Atmosphere Ignited Tomorrow?
"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...
3D map of exoplanet atmosphere shows wacky climate
Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...
What lies at the center of the Earth? The answer keeps changing.
A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have ...
'City-killer' asteroid 2024 YR4's threat rises. What will happen if it enters Earth's atmosphere?
YR4: NASA confirms asteroid 2024 YR4 has a 3.1% chance of colliding with Earth on December 22, 2032, potentially causing ...
The chances of an asteroid hitting Earth in 2032 have changed. But what’s the risk, really?
On Tuesday, astronomers reported that 2024 YR4’s probability of colliding with Earth increased to approximately 3%, which is ...
Asteroid could hit Earth in 2032, but NASA lowers impact probability to 0.3%
Astronomers are keeping a close watch on asteroid 2024 YR4. This asteroid has a small probability of impacting the Earth in ...