Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” supernova, where an initial helium blast on the star’s surface triggers a ...

Trundling along the ecliptic plane in Virgo, our satellite hangs near the bright star Spica in the evening sky.

Astronomers have discovered a new object that originated outside of our Solar System — only the third to be found.

Astronomers describe Mercury as an "inferior planet", because its orbital path around the sun is much closer than that of ...

For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the centuries-old remains of supernova SNR 0509-67.5 with the European Southern ...

This is the first evidence for a white dwarf exploding not once, but twice. The discovery could shed new light on how some ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

Beginning just after sunset, you’ll follow a one-mile loop through the towering saguaros and desert landscape, while learning ...

Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...

"This tangible evidence of a double detonation not only contributes towards solving a long-standing mystery, but also offers ...