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Why NASA walked away from a shuttle that could have saved billions

The United States once poured money and political capital into a spaceplane concept that promised to take off from a runway, ...

Interstellar comet 3I/ATLAS' journey through our solar system, in photos

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Lower-cost space missions like NASA's ESCAPADE are starting to deliver exciting science, but at a risk

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

Lower-cost space missions like NASA’s ESCAPADE are starting to deliver exciting science – but at a price in risk and trade‑offs

What’s better – many small space missions, or a few large, sweeping ones? Space scientists are asking this question as they ...

Ancient Alien Comet 3I/ATLAS Erupts In Stunning Jet Blast As It Hurtles Toward Earth's Neighbourhood

Hubble, JWST, and ESA capture comet 3I/ATLAS blasting jets of gas and dust, offering scientists a rare chance to study ...
Science Mission Directorate

NASA Selects 2 Instruments for Artemis IV Lunar Surface Science

NASA has selected two science instruments designed for astronauts to deploy on the surface of the Moon during the Artemis IV ...

NASA completes Nancy Grace Roman Space Telescope construction

NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...

NASA's closure plans for Goddard could be felt in Florida. Here's how

The Kennedy Space Center in Florida is among several organizations that collaborate with Goddard whose work could be impacted ...
Space.com

The US must beat China to moon, Trump pick for NASA chief Jared Isaacman tells Senate: 'If we make a mistake, we may never catch up'

Fortune changed in Isaacman's favor when Trump renominated him on Nov. 4, in the wake of media reports saying there was a ...