Mathematicians calculated where the planet might be based on its effects on Uranus, and astronomers searched for less than an ...

SummaryNASA's new Interstellar Mapping and Acceleration Probe, or IMAP, will launch no earlier than Tuesday, Sept. 23 to ...

NASA's Voyager 1 launched 48 years ago in September 1977 on a decades-spanning journey to study the cosmos and search for ...

On Sept. 14, 1959, the Soviet probe Luna 2 -- known informally as Lunik 2 -- became the first Earth-launched space vehicle to ...

The space around Uranus just got a bit more crowded.Astronomers using the James Webb Space Telescope recently announced the ...

By the time Voyager’s primary mission ended with Voyager 2's 1989 Neptune encounter, earthlings had the 80486, the Gameboy ...

On September 5, 1977, the power situation was a good deal healthier when the mission got underway. Launched just over two weeks after Voyager 2, Voyager 1 was scheduled to make flybys of Jupiter and ...

Liquid uranium rockets could make the Red Planet a six-month commute.

On Sept. 17, 1787, the U.S. Constitution, completed in Philadelphia, was signed by a majority of the 55 delegates to the ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Interstellar object 3I/ATLAS spacecraft close flyby SwRI mission has gained global attention. Scientists propose a mission to ...