Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...

Ever since William Herschel discovered Uranus in 1781, astronomers have been eager to find new planets on the outer edge of ...

The asteroid, named 2024 VK3, will pass Earth at a distance of about 273,000 miles, just further than the moon's 238,900-mile ...

The world's biggest coral — an organism made up of about a billion polyps — is about three times bigger than the previous record-holder and was discovered by chance during an expedition off the ...

For spinning spheres, centrifugal force is maximized at the equator, where the rotational speed is highest. The amount of the ...

The Galileo Project has released the commissioning data from its first Observatory at Harvard University in a new scientific ...

In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

Last month, an asteroid impacted Earth's atmosphere just hours after being detected — somehow, it managed to circumvent ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...

This list of commonly confused terms in astronomy will help you better understand the cosmos and the common phenomena we see in the sky.

A new European Space Agency mission is set to study asteroid Apophis to learn more about how we can handle asteroid threats ...