'For All Mankind' Season 2 blasts off with nods to NASA's space shuttle past

Scientists revisit the 1st black hole they ever discovered and realize it's bigger than they thought

Widespread Texas power outages delay Boeing's second Starliner spacecraft test flight to April

End of Neanderthals linked to flip of Earth's magnetic poles, study suggests | Event 42,000 years ago combined with fall in solar activity potentially cataclysmic, researchers say