Spraying particles into Earth's atmosphere to try and cool a warming planet might sound like a good idea in theory, but it ...

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in ...

The full moon of November, called the Beaver Moon, will be full illuminated on Nov. 5 at 8:19 a.m. Eastern Time (1319 GMT), ...

Mercury currently appears as a bright "evening star" in the southwestern sky at sunset. Mercury will reach its greatest ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

NOAA's CCOR-1 coronagraph captured the blast that showed the sun's raw power in action.

New research challenges the idea that the hemispheres' matching brightness is a fundamental property of the planet ...

Jupiter was shaping Earth's fate before our planet even existed, carving gaps in the early solar system that kept its ...

Although Earth’s two hemispheres lie on opposite sides of the planet and differ in many ways, they share a peculiar ...

Astronomers have used simultaneous ground-based and space-based observations to measure the temperature and velocity of gas ...

The image was taken by GOES-19, the newest in the Geostationary Operational Environmental Satellite series operated by NOAA.

Mercury reaches its greatest eastern elongation on October 29, appearing farthest from the Sun in the southwestern sky, offering a brief window for observation after sunset.