Posts by 

Deborah Byrd

Mars and Saturn in 2016

Video of this year's oppositions of Mars and Saturn, in front of the constellations Libra and Scorpius. Notice Mars appearing larger around its May 22 opposition!

Watch Mercury inch closer to the sun

Mercury is getting ready to transit the sun on May 9. This video from the SOHO sun-watching camera shows Mercury inching closer to the sun's disk, day by day.

Earthquake swarms at Mount St. Helens

Earthquake rates have been steadily increasing since March at the Pacific Northwest volcano Mount St. Helens. The cause is probably new magma, rising upward.

Rare time-lapse of Webb mirror rollover

Inside the world's largest clean room at Goddard Space Flight Center, the James Webb Space Telescope team lifted and turned the telescope for the first time last week.

Long meteor over Arkansas

Meteor showers happen when Earth passes through a stream of icy debris left behind by a comet. The famous Comet Halley spawned last week's Eta Aquarids.

A mix of dark dust and bright stars

Vast dust clouds stretch across a rich starfield in near the northern boundary of the southern constellation Corona Australis, the Southern Crown.

A pure methane sea on Titan

We knew that Saturn's moon Titan had seas and lakes of liquid hydrocarbons, but their exact composition was unknown until recently.

Orbit like a comet, rocky like an asteroid

They're calling it a Manx comet, after the cats with no tails. It may have formed in the inner solar system and been ejected outward.

Milky Way over Arenal Volcano in Costa Rica

"Since three years ago, we have planned to shoot this photo. We went to the zone repeatedly but every time we got nothing ... until now." - Sergio Vindas

Breakthrough Starshot to Alpha Centauri

Breakthrough Starshot seeks proof of concept for a 100-million-mile-per-hour mission - using light-propelled nanocrafts - to reach the nearest star in 20 years.