This next flight marks a critical moment for SpaceX as the Elon Musk-led company attempts to get its Starship program back on track.
A new model shows how magnetism shapes stars, cosmic rays, and even Earth’s space weather.
Pulsar Fusion aims to launch the world’s first nuclear fusion rocket by 2027.
Spacecraft burn tons of fuel and leave behind debris—but a clever technique called aerobraking could fix both problems.
Astronomers found an exceptionally rare star system that formed through an elusive cosmic phenomenon.
The surprisingly large world has a massive orbit—about 838 times Earth’s distance from the Sun.
“First buddy” Elon Musk is the frontrunner to build this billion-dollar missile shield.
The split-second spark may explain how storms become radioactive—and how lightning really begins.
Astronomers caught a brutal act of cosmic violence for the first time—one galaxy piercing another with deadly radiation.
The microbes could potentially pose a threat to the health of astronauts on board Tiangong.
Dubbed Teleios, the unusually symmetrical space object is puzzling astronomers with its near-perfect shape and mysterious origin.
A surprise solar storm also came with a baffling phenomenon that left people in the inland U.S. scratching their heads.
Seven of the new strains were cultured during the assembly of the Phoenix mission that landed on the surface of Mars.
Eventually, this technology could take passengers from Los Angeles to Tokyo in under two hours.
A unique, multi-agency exercise showed how ill-prepared we are for unfavorable space weather.
It's the first evidence of cloud convection in the northern hemisphere of Saturn’s enigmatic moon.
Local advocacy groups argue the ambitious launch schedule could increase pollution, harm wildlife, and disrupt fishing.
NASA just brought Voyager 1’s dead thrusters back to life—right before the spacecraft goes quiet for nearly two years.
This was the company's second attempt to land on the Moon, with both missions having toppled over on the lunar surface.
Scientists used cameras aboard NASA's Perseverance rover to capture unprecedented views of the Red Planet's green glowing sky.
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