The world’s largest waterfall is in the ocean, beneath the Denmark Strait.

Researchers from Germany and the US have discovered an exoplanet less than twice the size of Earth orbiting at about the same distance from its star, making it the closest analog to the Earth-sun system known so far.

A bright meteor is called a fireball. This one creates a backdrop to clouds of smoke from an actual fire that - as of Saturday - had burned some 9,000 acres and was only 10% contained, according to Inciweb.

Does evolution always and inevitably generate greater diversity and complexity, having a predictable direction?

Asteroid 2020 LD passed within the moon's distance on June 5, but wasn't discovered until June 7. It's the 45th known and the largest asteroid to sweep within a lunar-distance of Earth so far in 2020.

Enjoy the early morning sky on June 12 and 13, 2020, as the moon swings 3 degrees south of the red planet Mars. Meanwhile, although your eye won't catch it, Mars will swing 1.7 degrees south of distant Neptune.

EarthSky is joining the grassroots effort to #ShutDownSTEM and #Strike4BlackLives on Wednesday, June 10. Thousands of researchers around the world have pledged to pause their work on Wednesday to support the ongoing Black Lives Matter movement and efforts against racism in the scientific community and society at large.

Astronomers at McDonald Observatory have confirmed a second planet - 7 times more massive than Earth - orbiting Proxima Centauri, the closest star to our sun.

What is the climate like on some potentially habitable exoplanets? Scientists have developed a new "decoder" to find out.

NOAA reports that atmospheric carbon dioxide (CO2) measured at Hawaii’s Mauna Loa Observatory for May 2020 was the highest monthly reading ever recorded.