Mysterious bright blue cosmic blasts triggered by black holes shredding stars, scientists say. 'It's definitely not just an exploding star.'

When you buy through links on our articles, Future and its syndication partners may earn a commission.

Related Coverage

CDC's upcoming vote on hepatitis B vaccine could impact childhood immunization

Colleges say foreign students feel 'unwelcome' in the U.S. amid big drop in international enrollment, new survey finds

Who is behind Al-Majd, the Israeli-linked evacuation group sending Gazans to South Africa?

Russian drone slams into block of flats in deadly wave of strikes across Kyiv