Help astronomers observe Tabby’s Star

They're using Kickstarter to raise funds needed to unravel one of astronomy's biggest mysteries. Is the star KIC 8462852 surrounded by an alien megastructure?

Lake Mead reaches a record low

Lake Mead - largest U.S. reservoir, as measured by water capacity - has reached a record low. Space images from 2016 and 1984 show its highs and lows.

Sunrise stripes on Hospital Hill, Zimbabwe

A rare combination of light and shade over a hillside in Mutare.

Deciphering mysterious honey bee decline

While the massive and sudden colony collapses that occurred a decade ago have abated, honey bees are still dying at troubling rates.

International Space Station over Tenerife

Plus a tajinaste rojo, a strange and very large plant endemic to the island of Tenerife.

Watch ISS’s newest module expand

Astronauts in orbit aboard ISS spent more than 7 hours on Saturday filling the new BEAM module with air. Check out this 25-second timelapse.

Watch these 3 planets on June evenings

Mars, Jupiter and Saturn are all bright and beautiful in June 2016.

SDO peers into huge coronal hole

A NASA animation from May 17-19, 2016 shows a coronal hole in our sun's hot outer atmosphere, or corona. Should we be scared?

Best Mars photos, May 2016

These past weeks have been a fabulous time to view Mars, which swept closest to Earth on May 30. Best photos from the EarthSky community!

Four mini-Neptunes orbiting in lock step

For every three orbits of the outermost planet orbiting the star Kepler-223, the second planet orbits four times, the third six and the innermost eight.