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At the height of the Cold War, two amateur radio operators alleged they intercepted signals from Soviet cosmonauts who perished during missions that remained secret.
A robot built part of an antenna in orbit recently, showcasing skills that could potentially allow the assembly of space telescopes and other large structures off Earth.
NASA's Curiosity Mars rover is sizing up its next dig site on the Red Planet. The Curiosity team will characterize the surface composition of "Nazca" as thoroughly as possible before drilling.
News While rivals announce increasingly expensive smart telescopes, ZWO’s new Seestar S30 Plus makes galaxy and nebula photography surprisingly affordable.
From six minutes of darkness in Egypt or totality over the Australian Outback, here are the pros and cons of the next two total solar eclipses.
NASA's twin ESCAPADE spacecraft are wrapping up a year-long voyage to Mars, and are now ready to make a beeline to the Red Planet.
Jupiter and Mars will appear incredibly close as they shine in the constellation Leo on Nov. 15.
New research suggests that Little Red Dots, which have puzzled astronomers since the JWST began discovering them, could host primordial black holes born during the Big Bang.
