The space agency has stressed that there may be very little warning that a disruptive solar storm is about to hit the Earth.
New evidence has helped scientists pinpoint exactly when the Vikings were active on the continent.
Scientists have warned that a devastating solar storm could disrupt the world's Internet for months.
Researchers have revealed that we may only learn of an approaching solar storm twelve hours in advance.
A particularly intense solar storm could cause communications and power grid disruptions this week.
A particularly violent solar storm could one day have disasterous consequences for the modern world.
A peak in the Sun's 10-year activity cycle could put the Earth at risk from disruptive solar storms.
Power outages lasting months are expected following an upcoming large-scale solar storm.
Nasa has warned that solar flare activity in 2013 could cause widespread disruptions and devastation.
NASA researchers earlier this year released a report detailing the devastating potential of massive solar storms due in ...