The Sun has unleashed its strongest flare in four years, observers say.
Could there be a massive planet well beyond the orbit of Pluto? Unfortunately, this "extraordinary" claim is based on rather "ordinary" evidence.
US President Barack Obama wants more money to go towards developing commercial rockets and capsules to take American astronauts into orbit.
A proposed private spaceship designed to carry astronauts by the commercial space firm in Virginia has a new name steeped in mythology: Prometheus. The company Orbital Sciences unveiled the Prometheus space plane name Feb. 1.
The US company SpaceX is working on the first-ever reusable rocket to launch to space and back, with the goal of one day helping humans colonize Mars, founder Elon Musk said Thursday.
Astronomers using NASA
Check out Hubble Logs Millionth Observation: Photos
(PhysOrg.com) -- Our Milky Way galaxy, like other spiral galaxies, has a disk with sweeping arms of stars, gas, and dust that curve around the galaxy like the arms of a huge pinwheel.
The biggest 3-D map of the distant universe ever made, using light from 14,000 quasars --- supermassive black holes at the centers of galaxies many billions
(PhysOrg.com) -- Proving that a lot of little things can go a long way, a group of astronomers have revealed plans to build and install a radio telescope array out of thousands of small inexpensive dishes, spread out over thousands of miles of remote territory.
Editorial: The International Space Station may have cost us the earth, but it can give us the universe
