Every August, the Andromeda galaxy ascends in the sky during the evening hours. Here's how to use the Great Square of Pegasus to find it.

Take a couple of minutes and have a little fun with this new video from NASA

A small but evolving dent in Earth’s magnetic field can cause big headaches for satellites.

2019 ranks among the 3 warmest years in records dating to the mid-1800s. In 2019, greenhouse gases reached their highest levels on record. Both facts are from the 30th annual State of the Climate report, a review of world climate based on contributions from more than 520 scientists in over 60 countries.

Have you caught any Perseid meteors? If so, share your photos with us! If your skies have been cloudy, enjoy these great meteor photos from EarthSky friends around the world.

This distant galaxy - SPT0418-47 - surprised astronomers by being organized enough to have a spinning disk and a galactic bulge, early in the history of our universe.

NOAA scientists forecast that this summer’s dead zone would measure roughly 6,700 square miles - bigger than the long-term average recorded since 1985, but lower than 2017’s record-high extent.

Observations of the cosmic microwave background by the Atacama Cosmology Telescope in Chile suggest that the universe is 13.8 billion years old.

The colossal iceberg that split from Antarctica’s Larsen C ice shelf in July 2017 is now in the open waters of the South Atlantic, about 650 miles (1,050 km) from its birthplace.

Here are 10 of the coolest, weirdest and most unexpected findings about the Pluto system scientists have learned thanks to the New Horizons spacecraft's flyby of the distant world in 2015.