Scientists are cataloging and analyzing the first samples collected by NASA's Perseverance rover while the agency weighs its ...

The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...

Finding life– or not finding it– on Mars could teach us more about Earth ... the bigger question of whether life exists anywhere else in the universe. This mission is about more than just ...

In general, the larger the wobble ... to 1 (a hyperbola). Earth's orbital eccentricity is 0.017; Mars' is 0.055, and Mercury's is 0.206. HD 20794d's orbit is more elongated than any planet ...

Treats are in store for stargazers at both ends of the short summer nights this June. Evenings belong to Saturn, a beacon in the southwest. Not sure which object is the ringed planet? Look the ...

HD 20794 d, which is larger than Earth, was detected by a team ... units (AU), encompassing not only the orbit of the Earth but also that of Mars in the case of the Sun. "The exoplanet HD 20794 ...

The upshot of building a bigger rocket is pretty ... Musk envisions a fleet of more than 100 Starships, gathering in orbit of Earth to depart en masse for Mars every 26 months when the planet ...

In 2023, global tree cover loss was equivalent to losing an area larger than ... unique piece of Earth? Now, wouldn’t that be something? One that costs less than a Mars ticket, requires no ...