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Nick Holonyak Jr., Pioneer of LED Lighting, Is Dead at 93

New Europa Pictures Beamed Home by NASA’s Juno Spacecraft

A New Approach to Spotting Tumors: Look for Their Microbes

There are more asteroid missions out there.

Here’s how NASA will know if DART worked.

NASA spacecraft will slam into an asteroid Monday — if all goes right

In ‘Saving Venice,’ PBS show follows efforts to save ‘Floating City’

Shy Raccoons Are Better Learners Than Bold Ones, Study Finds

Why Omicron Might Stick Around

Neptune and Its Rings Come Into Focus With Webb Telescope