Science Glance
Signals from a spacecraft 3 billion miles away swept over Earth on Tuesday, confirming that NASA's New Horizons probe survived its history-making Pluto flyby.
The radio signals were received by a Deep Space Network antenna in Spain four and a half hours after they were sent out from the spacecraft at the speed of light, and a full 13 hours after the probe made its close pass. But they electrified hundreds of VIPs, journalists and Pluto fans here at Johns Hopkins University Applied Physics Laboratory as if the main event had just happened.
New Horizons Beams Back New Pluto Pics
Astronomers discover Jupiter twin around solar twin
A team of international astronomers may have found a solar system just like ours, lending hope to researchers looking to find rocky Earth-like exoplanets in the habitable zone.
Using data collected by the European Southern Observatory's 3.6-meter telescope, researchers recently located a Jupiter-like gas planet orbiting a sun nearly identical to our own.
Large Hadron Collider discovers new pentaquark particle
Scientists at the Large Hadron Collider have announced the discovery of a new particle called the pentaquark.
It was first predicted to exist in the 1960s but, much like the Higgs boson particle before it, the pentaquark eluded science for decades until its detection at the LHC. The discovery, which amounts to a new form of matter, was made by the Hadron Collider's LHCb experiment.
The findings have been submitted to the journal Physical Review Letters.
New Horizons snaps Pluto from eight million km
New Horizons has acquired yet another stunning view of Pluto.
The US space agency probe captured the latest image on Tuesday when it was just under eight million km from the dwarf world.
As of Thursday, New Horizons had moved to within six million km, heading for its historic flyby next week.
Russian craft delivers long-awaited cargo to space station
An unmanned Russian cargo ship has docked successfully at the International Space Station, where it was anxiously awaited by the U.S.-Russian crew after the successive failures of two previous supply missions.
The Progress M-28M ship, which is carrying 2.5 metric tons of fuel, oxygen, water, food and other supplies, was launched into orbit on Friday from the Baikonur launch pad in Kazakhstan. Russian Mission Control said it docked successfully Sunday in the automated mode at the orbiting space station.
Solar plane smashes solo flight record over Pacific
An aircraft attempting to circumnavigate the globe powered only by the sun's energy has broken a world record for the longest non-stop solo flight, the project team said.
The Solar Impulse 2, which took off from Japan on Monday on the seventh leg of its journey, has shattered the solo-flight record threshold of 76 hours while crossing the Pacific.
Oldest stone tools pre-date earliest humans
The world's oldest stone tools have been discovered, scientists report. They were unearthed from the shores of Lake Turkana in Kenya, and date to 3.3 million years ago.
They are 700,000 years older than any tools found before, even pre-dating the earliest humans in the Homo genus.
The find, reported in Nature, suggests that more ancient species, such as Australopithecus afarensis or Kenyanthropus platyops, may have been more sophisticated than was thought.
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