Researchers spotted the extremely ancient and chemically primitive star in Pictor II, a satellite of a satellite: Pictor II ...
Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...
Japan’s Super-Kamiokande detector, a massive underground neutrino observatory, has completed its most sensitive search yet ...
The discovery of a newborn magnetar inside a distant supernova helps explain why some stellar explosions shine far brighter ...
A new study explains how some supernovae are particularly dazzling—the glow from a magnetic, spinning ball of neutrons called a magnetar. An assist from Einstein is what settled the case ...
Astronomers have spotted a "cosmic birth" which outshines our sun by more than 10 billion times for the very first time. A superluminous supernova, first detected in December 2024, has provided ...