Scientists say they've found Europe's oldest "prehistoric footwear"
Family looking for lost earring instead finds Viking-era burial treasures
Scientists take step toward "being able to resurrect extinct species"
New "electrical" blue tarantula species discovered in Thailand
Video shows NASA spacecraft flying through powerful sun explosion
Bioluminescence lights up Southern California’s coastal waters
Watch Live: NASA officials announce new UFO report
Tech leaders hold closed-door meeting with lawmakers on artificial intelligence
