Mirrors in space could boost solar power production on Earth. Here's how.
Reflect Orbital plans to launch a constellation of orbiting mirrors to beam sunlight to solar power plants on Earth after dark.
By Robert Z. Pearlman published
The "Hoppers" — five European astronauts and the first astronaut from the Australian Space Agency — are now ready to "hop" into their first flight assignments, having completed basic training.
By Fabian Klenner published
As a planetary scientist and astrobiologist who studies ice grains from Enceladus, I'm interested in whether there is life on this or other icy moons. I also want to understand how scientists like me could detect it.
By Jesse Emspak last updated
The full moon of April 2024, called the Pink Moon, will occur during the evening hours of April 23. Later that night, Mars and Saturn will rise in the predawn hours.
By Jeff Spry published
A review of Zack Snyder's "Rebel Moon — Part Two: The Scargiver."
By Robert Lea last updated
Castor, the second-brightest star in the constellation Gemini, is one of the most luminous stars over Earth and a key target for skywatchers, showing there is often much more to stars than meets the eye.