Posts by 

Deborah Byrd

Video: Fly through the largest picture ever taken

Fly-through video of the largest image ever taken, of the Andromeda galaxy, nearest spiral galaxy to our Milky Way. Prepare to feel small!

Cosmic radio burst caught in the act

Astronomers announced this week that - for the first time - they have observed a so-called 'fast radio burst' in real time.

Comet Lovejoy passed near the Pleiades last night

Ever-photogenic Comet Lovejoy at its closest to the Seven Sisters, or Pleiades, star cluster. The comet's long blue ion tail stretched back past the cluster.

Milky Way over Todd Lake Basin, Oregon

Here in the midst of our northern winter, a beautiful shot of the summer Milky Way.

Trees are poems

A lone tree on the stark slope of a granite dome in Yosemite National Park.

Two planets beyond Pluto?

New calculations by astronomers in Spain and the UK suggest that not one, but two unknown planets might exist in our solar system, beyond Pluto's orbit.

How to see Comet Lovejoy in January 2015, plus best photos!

How to see Comet C/2014 Q2 Lovejoy - still visible through binoculars and telescopes. Finder charts and best photos!

Success! Two men complete historic climb at Yosemite’s El Capitan

Two Americans have become the first to free-climb Yosemite National Park’s Dawn Wall, which has been called the hardest rock climb in the world.

Toxic chemical scare on International Space Station on Wednesday

An alarm indicated a possible leak of toxic ammonia. Astronauts evacuated the U.S. side of the station. Later, NASA said the problem might have been a faulty sensor.

The world’s hottest volcanos

Kilauea ranks hottest in terms of total energy. It's been erupting for decades. Meanwhile, Iceland’s Holuhraun eruption radiated the most heat for a single event.