Habitability on planets orbiting a star that is cooler and dimmer than our sun appears to be much less likely than previously thought, according to a new analysis of data from a NASA orbiter on Mars.
A pair of studies is calling into question the assumptions scientists make when determining if a planet outside of our solar system could support life.
The supermassive black hole formed during the earliest moments of the universe, which has researchers puzzled over how it got to be so big.
Conventional wisdom holds that Mars once had a thick atmosphere capable of supporting surface water. A new proposal is entirely different.
One of the planets, K2-18b, lies within the habitable zone that scientists believe could support the necessary conditions for life.
Despite the space environment being very controlled, with only a handful of astronauts visiting each year, the microbes aboard appear to be robust.
Reigniting the long-dormant thrusters could extend Voyager 1’s mission in interstellar space by three years.
A rapid cooling of Titan’s southern hemisphere in 2012 is unique in the solar system, and occurred because of the moon’s exotic atmospheric chemistry.
The Earth-mass planet, Ross 128b, orbits a red dwarf star and could provide favorable conditions for alien life.
A team at NASA's Jet Propulsion Laboratory proposes deploying a balloon in Venus’s atmosphere to detect seismic activity.