2015 worst US wildfire year on record

Wildfires burned more than 10 million acres of land in the United States in 2015, a year marked by intense drought across much of the west.

Milky Way age map shows growth rings

The first-ever complete age map of the Milky Way shows that our galaxy grew from the inside out.

Seeing black holes in visible light

For the first time, flickering light was seen around a nearby black hole in outburst. It was bright enough to be seen in small telescopes.

EarthSky News with Deborah Byrd

All the news you can fit into outer space LIVE on Slooh.com Mondays and Thursdays at 10:30 a.m. ET (1530 UTC). Or watch right here!

Astronaut Chris Hadfield’s Space Oddity

Honoring David Bowie ...

Most distant massive galaxy cluster

Astronomers have detected a massive, churning galaxy cluster - with potentially thousands of individual galaxies - in the early universe.

SpaceX to try again for sea landing

SpaceX has been trying, but not succeeding, to land its Falcon 9 rocket upright at sea. Then, last month it succeeded on land. Soon, another sea-going attempt!

What to expect from El Niño

The third-recorded super El Niño is underway. Top climate expert Kevin Trenberth reports.

Light pillars and aurora over Montana

In one night, nature photographer John Ashley caught contrasting images of two very different light displays in the sky.