Astronomers at the Complutense University of Madrid first spotted this intriguing event using a powerful telescope in ...

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 ...

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

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

In a remarkable demonstration of both the unpredictability of space and the extraordinary capabilities of modern astronomical detection, a small ... of near-Earth objects (NEOs). Discovered by the ...

The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...

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.

NASA's Parker Solar Probe should have completed its seventh swing past Venus on Nov. 6 — the spacecraft's final maneuver ...