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Interior structure of the phantom used in the experiment Matroshka (Photo: DLR)

A European Space Agency experiment aboard the International Space Station suggests that space travelers may have less to worry about when it comes to radiation ... thanks to a phantom. Called the Matroshka, the "phantom" is a plastic mannequin that is the key component of the first comprehensive study of the effects of radiation on astronauts on long-term space missions that indicates that the hazard may not be as severe as previously thought.  Read More

Artist's concept of of New Horizons approaching Pluto (Image: NASA)

If you think it's hard waking up after a nine-hour plane flight, imagine doing so after a space voyage of nine years and three billion miles. On Saturday, NASA's New Horizons deep space probe woke itself up from hibernation mode as it began preparations for its flyby of Pluto and its moons next July. Having traveled 2.9 billion miles from Earth and with 162 million miles to go, the signals announcing the awakening took four hours and 26 minutes to cover the distance to NASA’s Deep Space Network station in Canberra, Australia.  Read More

Zoomed-in image of Ceres taken on Dec. 1, 2014 with the Dawn spacecraft's framing camera (...

The Dawn spacecraft has lifted the veil on another corner of the Solar System by taking its best image yet of the dwarf planet Ceres. The nine-pixel-wide image was taken from a distance of 740,000 mi (1.2 million km) from Ceres as part of the final calibration of Dawn's science camera as the unmanned probe approaches the 590 mi (950 km) wide planetoid, which it will rendezvous with and orbit in March of next year.  Read More

Artist's impression of Orion re-entering the Earth's atmosphere (Image: NASA)

Another chapter in the history of spaceflight was written today at 8:29am PST, as the EFT-1 mission ended with the splashdown of the Orion capsule in the Pacific Ocean off the coast of Baja California. Though designed to carry astronauts into deep space, the Orion was unmanned for the flight, which was planned to certify the spacecraft and test critical flight systems.  Read More

ignition of EFT-1 (Image: NASA)

NASA reentered the field of manned spaceflight as it launched the first Orion crew capsule into space today at 7:05 am EST from Space Launch Complex 37 at Cape Canaveral Air Force Station atop a United Launch Alliance Delta IV Heavy booster on a four and a half hour flight. The capsule, which was not carrying a crew, will carry out a two-orbit flight around the Earth, which will take it to an altitude of 3,600 mi (5,800 km) before returning for a splashdown in the Pacific Ocean off Baja California later this morning.  Read More

A United Launch Alliance Delta IV Heavy rocket with NASA’s Orion spacecraft mounted atop i...

NASA announced today that the EFT-1 mission launch has been rescheduled for 7:05 am EST on Friday. Officials at NASA, Lockheed Martin, and United Launch Alliance say the problem that finally resulted in the scrubbing of Thursday's launch of the Orion space capsule has been identified. It was a malfunction in liquid hydrogen fill and drain valves on both the port and center common booster cores used for fueling the United Launch Alliance Delta IV Heavy booster, which could not be closed properly before the launch window was exceeded.  Read More

An artist's impression of the E-ELT (ESO/L. Calçada)

The ESO has given its European Extremely Large Telescope (E-ELT) the final green light, allowing construction to go ahead at the Chilean site. The telescope is expected to take around a decade to complete, with the final installation expected to facilitate discoveries in fields such as galaxy composition and exoplanets.  Read More

Artist's concept of EFT-1 in flight (Image: NASA)

NASA's return to manned spaceflight was delayed today as the scheduled launch of the Orion EFT-1 mission was cancelled due to a series of mishaps. Originally scheduled to lift off at 7:05 am EST from Space Launch Complex 37 at Cape Canaveral Air Force Station atop a United Launch Alliance Delta IV Heavy booster, setbacks due to the weather and equipment problems forced mission control to put off the flight beyond the launch window, which ended at 9:44.  Read More

Workers removing the original countdown clock, which will be moved to the Kennedy Space Ce...

It's one of the most famous timepieces in history that's been seen by billions of people all over the world, yet, though it's big, its name isn't Ben. It's the countdown clock at Cape Canaveral, Florida, which has sat in the foreground of historic space mission launches since it was installed in 1969 during the heyday of the Apollo program. But after almost half a century of service, NASA is replacing it with a high-tech LED version that makes its public debut on Thursday during the launch of the Orion EFT-1 mission.  Read More

Artist's concept of Haybusa2 taking a surface sample on JU3 (Image: JAXA)

Sometimes it seems as if the history of spaceflight is a long exercise in oneupsmanship with each agency trying to top the others. Case in point is Japan's Hayabusa2 mission, which, following the landing of Philae on on comet 67P/Churyumov–Gerasimenko last month, the Japan Aerospace Exploration Agency (JAXA) confirmed was successfully launched today at 1:22:04 pm JST from the Tanegashima Space Center on a mission to not only land on an asteroid, but to bomb it.  Read More

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