Enjoying EarthSky? Subscribe.

271,479 subscribers and counting ...

Deborah Byrd

Study probes Saturn’s moon Enceladus. Plus, a new mission?

A new study shed light on what powers Enceladus’ extraordinary geologic activity, while – at a conference in Seattle last week – space visionaries discussed a return to Saturn’s geyser moon.

What makes zombie ants obey

Zombie ant fungus doesn’t attack ants’ brains. Instead, the fungus invades an ant’s entire body, forming an interconnected 3-D network, forcing the ant to move.

Birds and sun, New Delhi, India

C.B. Devgun wrote that it was a foggy morning in New Delhi – November 8, 2017 – when he captured this photo.

The zombie star that wouldn’t die

Supernovae like this one – designated iPTF14hls – usually remain bright for about 100 days. This one stayed bright for 600 days. Then, astronomers found a 1954 explosion in the same spot in the sky.

Use Pegasus to find Andromeda galaxy

The Andromeda galaxy is the most distant object we can see with the eye alone. Try using the Great Square of Pegasus to find it in a dark sky.

Nickname New Horizons’ next target

The craft that flew by Pluto in 2015 is heading for the Kuiper Belt object 2014 MU69. NASA and the New Horizons spacecraft team want you to help nickname it.

2016 greenhouse gases at record high

As climate talks open in Bonn, Germany this week, negotiators are considering a report from the World Meteorological Organization, urging action now.

Next Mars rover will have 23 eyes

Cameras have come a long way since the first Mars rover in 1997. The newest Mars rover from NASA – on the Mars 2020 mission – will have a wider field of view, plus more color and 3-D imaging.

See it! Full Hunter’s Moon

This weekend’s Hunter’s Moon, as captured by EarthSky friends around the world. Thank you to all who submitted photos!

Astronomers complete 1st global asteroid tracking drill

This is only a test. Astronomers report on the TC4 Observation Campaign, which, in October, used a real Near-Earth Asteroid to practice our global response to a potential asteroid threat.