Latest Mark Lemmon Stories
Dust is everywhere on Mars, and plays a key role in the red planet’s weather, according to a Texas A&M University researcher who has spent much of the past decade observing the phenomenon.
A new Mars movie clip gives us a rover's-eye view of a bluish Martian sunset, while another clip shows the silhouette of the moon Phobos passing in front of the sun.
In its six-and-a-half years on Mars, NASA's Mars Exploration Rover Opportunity had never seen a dust devil before this month.
U.S. scientists say data from the Phoenix Mars Lander suggests parts of Mars resemble Earth, including landscape, history of water and weather conditions.
Two robots the size of golf carts were given 90 days to squeeze as much science as possible from the barren, dust-swept terrain of Mars.
- In medieval musical notation, a sign or neume denoting a shake or trill.