Posts by 

Deborah Byrd

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.

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.

Supernova erupts in M66

M66 is a galaxy 36 million light-years away in the direction to our constellation Leo. A star exploded there 36 million years ago ... and came into view in Earth's sky this weekend.

Life ingredients in Rosetta’s comet

It's "the first unambiguous detection of glycine at a comet" and supports the theory that the building blocks for life came to Earth from outer space.

Is dark matter made of black holes?

What if if dark matter consisted of a population of black holes similar to those detected by LIGO last year? A new study analyzes this possibility.

Saturn’s south polar vortex

A monstrous vortex sits at Saturn's south pole. It's not just beautiful. It also lets astronomers peer deep into Saturn's dense atmosphere.

Cloud-free Africa

The European Space Agency used 7,000 satellite images - acquired from late 2015 through early 2016 - to make this mosaic of Africa.