Here is a database of all the documents declassified by President Donald Trump since July.

Compact sensor-packed probes, propelled by laser- or Sun-powered sails, could be humanity's first scouts to another star system.

Take a closer look at the Super D500 and discover what makes this powerful machine stand out. Explore its engineering, ...

U.S. Sen. Marsha Blackburn has won Tennessee's Republican gubernatorial primary and will face Democrat Jerri Green in ...

U.S. Senator Marsha Blackburn won the GOP primary for governor, while Jerri Green won the Democratic nomination.

Light sails can propel spacecraft using the energy of the Sun. Credit: NASA/Aero Animation/Ben Schweighart Tiny spacecraft riding beams of light could put humanity within reach of another star system ...

US declassified records detail a 1963 probe into a claimed sphere crash in Brazil.

Star Trek fans can relive four classic movies on the big screen, paired with iconic episodes and exclusive collectibles.

The Trump administration abruptly declined to renew a contract for a cybersecurity firm it hired to examine voting equipment in Puerto Rico after the company didn’t echo administration officials’ ...

Several U.S. senators are working to close a dangerous loophole that impacts America's ability to pursue effective immigration enforcement.

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