Our brains struggle to comprehend how big the universe is because everything here on Earth, and even the Earth itself, is very small when compared to the immense scale of the universe.
State-of-the-art molecular analysis of dust samples from the International Space Station (ISS) has been employed to reveal new information about some of the potential bacterial agents present in the astronauts' space environment. ...
A massive space rock that will shave by Earth on Halloween looks like a dead comet with a skull face, NASA said after gaining a closer look at the spooky space object.
NASA has outlined the many challenges that remain before humans can set foot on Mars, calling the problems "solvable" but setting no firm date for an astronaut mission to the Red Planet.
Russian cosmonaut Gennady Padalka returned safely to Earth with two other astronauts from the International Space Station Saturday with the record for having spent the most time in space.
SpaceX received orders Friday from the US space agency to send astronauts to the International Space Station in the coming years, helping restore US access to space, NASA said.
Six Russian women on Wednesday clambered into a mock spaceship to begin a unique experiment testing how an all-female crew would interact on a trip to the Moon and back.
The central supermassive black hole of a recently discovered galaxy is far larger than should be possible, according to current theories of galactic evolution. New work, carried out by astronomers at Keele University and ...
Albert Einstein's general theory of relativity is about to celebrate its 100th anniversary, and his revolutionary hypothesis has withstood the test of time, despite numerous expert attempts to find flaws.
Images of Pluto's tiny moon tiny Kerberos taken by NASA's New Horizons spacecraft – and just sent back to Earth this week – complete the family portrait of Pluto's moons.