For millennia, the planet Jupiter appeared to our ancestors as little more than a starlike point of light. The Romans revered it enough to name it for the lord of their gods. But not until the ...

After more than 30 years, it appears the venerable Pioneer 10 spacecraft has sent its last signal to Earth. Pioneer’s last, very weak signal was received on Jan. 22, 2003. NASA engineers report that ...

“Pioneer Lives up to its Name” was a front page article about Pioneer 10 in the Baltimore Sun in its December 10 issue written by Michael Stroh. Since Pioneer 10 is over 75 AU distant and its ...

Since becoming the first human-made object to travel to Pluto, Pioneer 10's signals have been lost. Courtesy Don Davis 1983: Pioneer 10 becomes the first human-made object to pass outside Pluto's ...

An artist's view of a Pioneer spacecraft heading into interstellar space. Both Pioneer 10 and 11 are on trajectories that will eventually take them out of our solar system. An artist's depiction of ...

ST. LOUIS — For years, astronomers have been puzzled about why the Pioneer 10 and 11 spacecraft aren’t traveling quite as fast as they ought to be. Launched in the early 1970s, the craft have each ...

From a distance of almost 12 billion kilometres, Pioneer 10 has contacted Earth reporting that one of its instruments is still working 30 years after it was launched. On 2 March, scientists operating ...

Scientists have finally cracked a decades-old spaceflight riddle, figuring out why NASA's Pioneer 10 and 11 probes began to slow mysteriously as they sped far from the sun. The cause of the so-called ...

SAN FRANCISCO — Earth has bid its final farewell to the Pioneer 10 spacecraft, 31 years after the probe set off for the outer regions of the solar system. The National Aeronautics and Space ...

Editor's Note: JR Minkel is in St. Louis this week for the annual "April meeting" of the American Physical Society. See his other blog posts on dark matter, the Higgs boson and the timeline for the ...