Posts by 

Deborah Byrd

At the mouth of a Mars mega-flood

New images from ESA's Mars Express spacecraft show an ancient outflow region, where fierce floodwaters once raged.

World’s oldest microfossils in Canada

A new discovery provides direct evidence of one of Earth's oldest life forms, in a place known to harbor some of Earth's oldest rocks.

Curiosity rover spies Mars dust devils

As NASA explained, "On Mars, wind rules."

Jupiter abstract

This gorgeous image isn't a painting. It's a new photo by the daredevil Juno spacecraft, as it skimmed close to Jupiter on its last close pass near the planet.

SpaceX to send 2 people around moon

SpaceX's Elon Musk would not name the 2 private citizens who approached the company with an offer to pay for a flight around the moon and back.

Storm chasers honor Bill Paxton

An amazing several-state tribute - stretching across Tornado Alley - honoring Twister star Bill Paxton, who died Sunday due to complications from heart surgery.

Favorite photos: Ring of fire eclipse

The annular - or ring of fire - eclipse was visible from Earth's Southern Hemisphere. Photos here!

This date in science: Supernova 1987A

Supernova 1987A first appeared in earthly skies 30 years ago today. It was the closest observed supernova since 1604.

Ice circles in Syracuse, New York

You need slow-moving currents, moving in circular eddies, to form ice circles, and you need just the right air and water temperature. So they're rare!

What would life be like near TRAPPIST-1?

The newly discovered exoplanets orbiting this nearby star are likely to be bathed in high-energy ultraviolet radiation. What would life be like there? An expert explains.

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