Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Engineers at NASA ...

LOGAN, Utah — Stellar Exploration, a space technology company based in San Luis Obispo, California, is in the midst of qualification testing of a miniature propulsion system for planetary ...

REDONDO BEACH, Calif.--(BUSINESS WIRE)--Impulse Space, Inc. – a leader in the development of in-space logistics services for the inner solar system – today announced its Saiph thruster is space ...

Earlier this year, NASA mission controllers faced a challenging decision that could have marked the end of Voyager 1's decades-long journey. Launched in 1977 to explore the outer solar system, the ...

Just two weeks before launch, in what amounts to a lucky break, engineers discovered a potentially-crippling problem with thrusters in NASA's Psyche asteroid probe. Equally fortuitous, the fix was ...

Arkadia Space's DARK propulsion system, using hydrogen peroxide propellant, was flown on a D-Orbit ION vehicle launched in March. Credit: Arkadia Space WASHINGTON — Spanish startup Arkadia Space has ...

A new frontier in space sustainability may have just opened. In a recent study published in Scientific Reports, scientists from Tohoku University in Japan introduced a fusion-powered plasma thruster ...