Latest about earth
When does winter start? Your guide to the 2025 winter solstice.
Astronomical winter begins Sunday, Dec. 21 in the Northern Hemisphere. Here's how the solstice works.
Earth had a secret neighbor, and it may explain our moon
Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial rocks reveals.
Hidden, supercharged 'thermostat' may cause Earth to overcorrect for climate change
Rising levels of CO2 in the atmosphere may trigger a series of geological and biological processes that could ensure the next ice age arrives on time instead of being delayed, researchers say.
NASA launches special mission to study Earth's mysterious "halo"
NASA's Carruthers Geocorona Observatory has taken flight, and will soon start a two-year mission to study Earth's mysterious "halo".
Vast source of rare Earth metal niobium was dragged to the surface when a supercontinent tore apart
Potentially the largest known source of niobium discovered in central Australia formed 830 million years ago, and we can thank the breakup of the ancient supercontinent Rodinia.
New 'quasi-moon' discovered in Earth orbit may have been hiding there for decades
A near-Earth asteroid lurked undetected for decades until a telescope in Hawaii spotted it earlier this year. It may be Earth's newest quasi-moon.
When is the fall equinox, and why does it happen?
On Monday, Sept. 22, day and night will be nearly equal in length as Earth's axis is side-on to the sun, officially beginning autumn in the Northern Hemisphere.
Newly discovered bus-size asteroid will zoom close past Earth today — and will not return for exactly 100 years
Asteroid 2025 QV5, which was first spotted in late August, will make a close approach to Earth on Wednesday (Sept. 3). It will not get this near to us again until Sept. 4, 2125.
