Newfound rocks on Mars suggest the planet may have once sported an oxygen-rich atmosphere, making it more Earth-like and hospitable ... lake bed that the rover has been exploring since 2012.
A collection of rocks scattered on an ancient shoreline on Mars might indicate that the Red Planet was once far more Earth ... once-habitable Mars may have sported Earth-like oxygen levels and ...
Potentially hazardous asteroids pose a risk to Mars missions, but they can also yield insight into the history of the Red ...
The relative distance of a CAPHA in percentage is defined as the ratio between its 𝑟 min and 𝑟 crit (0.05 au for Earth-CAPHAs and 0.036 au for Mars-CAPHAs). Blue and reddish purple lines ...
Celestial Mystery Mysteries abound on the planet Mars — from the tantalizing traces of ancient riverbeds on its surface to ...
Astronomers have long puzzled over the origins on Phobos and Demos, the red planet's strangely-shaped moons. Now they are ...
An unexpected tool is giving us new insight into the fine structure of the outer layers of Mars. Using meteorites that were ...
Johns Hopkins University/APL via NASA Astronomers have been surveying the sky for years to catalog and track so-called Near-Earth ... more frequent, the threat posed by Mars close approach PHAs ...
When a meteorite smashed into Mars 11 million years ago, debris landed on Earth as meteorites, giving an unparalleled look at ...
In the following excerpt from his book, Shindell looks back at the accomplishments of the past 20 years, when NASA’s plucky ...
Mars, a planet often associated with a lifeless, dusty expanse, holds a puzzling amount of organic matter on its surface.