Extraordinary fossil find sheds light on duck-billed dinosaurs

Duck-billed dinosaurs lived 83 million years ago. They are sometimes called 'the cows of the Cretaceous.' A new fossil find reveals their origins.

Mars will be awesome in 2016

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!

Greatest-ever debris flow video

It starts slowly, but then ... whoa!

Is El Niño at its peak?

This year's El Niño has likely reached its peak, say scientists, but given that Earth is hotter than in 135 years, there are no guarantees.

Dark matter linked to galaxy clusters’ internal structure

It's the first definitive detection of a property other than mass that's been linked to the invisible dark matter making up 27 percent of our universe.

Why Planet Nine might be for real

Claims about new planets that turned out to be wrong – and why 'Planet Nine' may be different.

And now … a real ISS transit of Saturn

A fake image ran in APOD a few days ago, but this video of an International Space Station transit across the face of Saturn looks real.

X-ray view of Earth’s aurora

An ESA space observatory was looking for something else when it caught these X-ray images of an aurora.

Loneliest known exoplanet and its star

The exoplanet labeled 2MASS J2126 has the widest orbit of any planet ever found. Its "year" is nearly 1 million Earth-years long.

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!