A red column ... of the light, he told Chron it might be an atmospheric optical phenomenon known as a light pillar, which is caused by "ice clouds reflecting back light from a flare or possibly ...

In spite of their dark reputations, two black holes may have set off a cosmic light show. Subtle gravitational rumbles from a collision of two black holes may have been accompanied by a flare of ...

A column of hot clouds blasted ... Also on Sunday, Mount Marapi in West Sumatra province erupted again, its third biggest flare-up this month, albeit without discharging lava.