Sun unleashes colossal X4.2 solar flare, knocking out radio signals across Africa and Europe (video)
An impulsive X4.2 solar flare sparked strong radio blackouts across Africa and Europe as the giant sunspot continues to rage.
Representing a stellar alignment of epic proportions, celebrity astrophysicist Neil deGrasse Tyson and "Star Trek" legend ...
On the ground in Minneapolis, residents and local officials say they see no de-escalation — and in some cases, an increased federal presence — as protests continue. Two journalists were arrested, ...
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