Elon Musk’s SpaceX says a geomagnetic storm wiped out 40 of the 49 Starlink satellites it launched into orbit last week
The satellites will burn up in the Earth's atmosphere but won't produce orbital debris, SpaceX said
Earth’s core is rapidly cooling, study reveals – What does it mean?
Is our planet becoming "inactive"?
A giant asteroid that’s 3,500 feet wide is hurtling toward Earth right now
The asteroid 7498 isn’t an impact concern right now