Space News

The U.K. Space Agency has decided to continue funding a project by Rolls-Royce to create a small nuclear-powered reactor that could serve as a long-term energy source for lunar bases.

NASA's effort to return samples from Mars is facing increasing costs that is putting pressure not just on other planetary science missions but also a major heliophysics mission. The post Mars Sample Return cost growth th...

Sunsets provide some of the most beautiful natural imagery anywhere on Earth. People flock from all over to see sunsets at specific places at specific times, such as when they perfectly align down a street in Manhattan. ...

Venus is almost the same size, mass and density as Earth. So it should be generating heat in its interior (by the decay of radioactive elements) at much the same rate as the Earth does. On Earth, one of the main ways in ...

When the universe's first stars emerged from the cosmic dark ages, they ballooned to 10,000 times the mass of Earth's sun, new research suggests.

Aurora hunters claim that, to look to the night sky in search of these beautiful displays, the dates around the equinoxes are the best.

A newfound, highly adaptable bacterium shows the kind of diverse life to look for on Europa or Enceladus, astronomers say.

Spacewalks and radiation limits were limiting career opportunities for NASA women astronauts. Janet Kavandi pushed back those barriers but says more work is needed.