For a brilliant (albeit brief) period of time, Earth had two moons — our tried and true satellite and a miniature space rock pulled into our orbit.
As satellites orbiting Earth have observed, as coronavirus has progressed, there has been less air pollution over Italy and lowered nitrogen-dioxide emissions over China.
String theory hopes to be a literal theory of everything — a powerful idea that could completely revolutionize our understanding of the physical world. But it has never been directly tested.
For years, amateur astronomers have been waiting for a bright, naked-eye comet to pass by Earth — and finally, such an object may have arrived.
A cannonball that a Japanese spacecraft fired at an asteroid is shedding light on the most common type of asteroid in the solar system, a new study reports.
Spring is coming early to the Northern Hemisphere (and fall to the Southern) and Google has two new balloon-themed doodles to celebrate the changing seasons.
Scientists and engineers are trying to work out ways to tamp down lunar dust so billowing clouds don't pose a problem to astronauts landing on the moon in 2024.
Slooh astronomers will livestream a free astronomy lesson on Thursday (March 19) for K-12 students who are homebound during the coronavirus pandemic.
The COVID-19 pandemic has forced a global network of telescopes to cancel its annual observations of black holes, which last spring published the first ever image of such an object.
Even as Earth is in turmoil, NASA continues to share amazing pictures from across the solar system — allowing us to (virtually) travel far while staying in place.
Could Mercury's close orbit to the sun help the planet generate ice? This sounds like a paradox, but a new study shows how it could happen.
As a frightening pandemic sweeps across the globe, it is becoming ever clearer that every aspect of life will be affected by it, even the study of what lies beyond Earth.
If the coronavirus pandemic has you stuck at home and yearning for some space exploration, here are some free space projects and activities to keep you occupied.
Come March 19, we will have a change of the seasons: the occurrence of the vernal equinox, marking the official start of spring in the Northern Hemisphere and autumn in the Southern Hemisphere.
The rocky object that spawned the asteroid Ryugu may have been extraordinarily porous, a new study finds.
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