As humanity prepares to take its first steps on Mars, a comprehensive report released by the National Academies of Sciences, ...

The Shenzhou 20 vehicle was deemed unfit to carry astronauts back to Earth after suffering a space junk strike.

After a yearslong series of setbacks, NASA's Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission has ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light.

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

The space agency has reportedly discovered life-giving essential sugars on the asteroid Bennu, a 500-meter-wide rock hurtling ...

A lawsuit seeks to recover damages after unexpected bird strike triggered crash at NASA's former shuttle landing facility.

Jared Isaacman, Donald Trump's NASA nominee, vowed to beat China to the moon, back lunar lander competition and boost nuclear propulsion at a Senate hearing.

Critics argue the satellites, billed as a way to harness solar energy at night, could hamper sky observations and may pose a ...

Chinese infiltration of U.S. universities has been a focus of the Trump administration, producing charges in cases linked to ...

From “experimental archaeology” to the mysterious appeal of exploration, the wide-ranging subjects detailed in these titles captivated Smithsonian magazine’s science contributors this year ...