The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

New observations have revealed early signs of UV light illuminating the cosmos more than 13 billion years ago.

“We calculated the supernova rate close to Earth and found it to be consistent with the rate of mass extinction events on our planet that have been linked to external forces such as supernovae,” Dr ...

"But if a planet, including the Earth, is located too close to this kind of event, this can have devastating effects." Dr. Nick Wright, from Keele University, added: "Supernova explosions are some ...

What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth." ...

"But if a planet, including the Earth, is located too close to this kind of event, this can have devastating effects." Dr. Nick Wright, from Keele University, added: "Supernova explosions are some of ...

At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova explosions, a new study suggests. Get any of our free email newsletters ...