New tree of life doesn’t look as you’d imagine

The tree of life, which depicts how life has evolved and diversified on the planet, is getting a lot more complicated.

Popocatépetl volcano hurls rock and fire

Awesome videos showing the fiery eruption of Mexico’s Popocatépetl volcano, which began Monday morning.

See it! Moon sweeps past Jupiter

The moon swept past Jupiter over the past few nights. Check out these photos from the EarthSky community.

Moonlit skies to subdue 2016 Lyrid meteors

Lyrid meteor shower active from about April 16-25. Best before dawn. If you're lucky, you might catch a bright Lyrid overcoming the light of the full moon!

Eastern monarch butterflies at risk of extinction, scientists say

Populations of the charismatic orange and black monarch butterfly have plummeted. Will they be extinct in 20 years?

Use Orion’s Belt to find Mercury

Mercury's greatest eastern elongation - its greatest distance from the sunset - is today. But how can you tell which object you're seeing is Mercury?

An inconspicuous comet

Many hoped Comet 252P/LINEAR would become visible to the eye. It has, but only barely. Enjoy photos from the few, the proud, who've captured this comet on film!

Gravity lens reveals dwarf dark galaxy

A detailed analysis of an image of the gravitational lens SDP.81 has indicated the presence of a dark dwarf galaxy, four billion light-years away.

Powerful earthquakes in Japan and Ecuador

Japan was struck by a 7.0-magnitude earthquake on April 15, 2016. One day later, on April 16, Ecuador was struck by a 7.8-magnitude earthquake.

Why are these black hole jets aligned?

The only way for this alignment to exist is if the supermassive black holes in this part of space are all spinning in the same direction.