The optics of Silicon Valley’s proximity to the president were not lost on Trump’s critics, who have warned about the growing threat of a tech oligarchy since his re-election in November.

Why it's so special: This picture was taken by the European Space Agency's Huygens probe during its historic parachute descent onto Titan's surface on Jan. 14, 2005. At the moment this image was ...

Optics are fundamental to AR/VR devices, enabling realistic user experiences through advanced lenses, displays, and imaging systems. In AR, optical systems such as waveguides and lightguides ...

When the probe — named Huygens, for the 17th century Dutch astronomer Christiaan Huygens who discovered that world — transmitted its first pictures, the painted moonscape clashed with the real ...

On January 14, 2005, a spacecraft landed on one of Saturn's moons! The European Space Agency's Huygens probe hitched a ride on NASA's Cassini spacecraft to Saturn's largest moon Titan. It parted ...