WASHINGTON (Reuters) -Astronomers have spotted two hefty white dwarf stars - highly compact stellar embers - orbiting close together that appear destined to die in an extraordinarily violent quadruple ...

Scientists have discovered a record-breaking binary star system consisting of two ultracool dwarf stars so close to each other that they complete an orbit in under a day. The binary system, designated ...

Cosmic radio pulses repeating every few minutes or hours, known as long-period transients, have puzzled astronomers since ...

Astrophysicists have discovered the tightest ultracool dwarf binary system ever observed. The two stars are so close that it takes them less than one Earth day to revolve around each other. In other ...

Astronomers have finally decoded the origin of a powerful seven hour signal from deep space, a blast so persistent that it immediately stood out from the universe’s usual fireworks. The event, ...

Newly reprocessed radio observations are transforming the quiet reputations of nearby dwarf stars. What once looked like ...

It’s not only professional astronomers who make amazing discoveries about space — sometimes enthusiastic amateurs can make impressive scientific discoveries as well. Recently citizen scientist Frank ...

White dwarf stars represent the evolutionary endpoints of medium- and low-mass stars, comprising the dense, electron-degenerate cores left after nuclear fuel exhaustion. In binary systems, ...

Northwestern University and the University of California San Diego (UC San Diego) astrophysicists have discovered the tightest ultracool dwarf binary system ever observed. The two stars are so close ...

Researchers identified the shortest-period, low-mass stellar binary system ever observed The stars take less than one Earth day to revolve around each other Researcher: ‘It’s amazing to see something ...