An international team of astronomers has employed various satellites and ground-based telescopes to perform multiwavelength ...

An international team of astronomers has made groundbreaking observations of the supernova remnant (SNR) SNR J0450.4−7050 in ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

Using NASA's Chandra spacecraft and ESA's XMM-Newton satellite, astronomers have investigated the galaxy NGC 7793, searching ...

The Vela supernova remnant, the remains of a supernova explosion 800 light-years from Earth in the southern constellation Vela, as seen from the Dark Energy Camera on the Víctor M. Blanco Telescope at ...

The birth of a new star seen in 1054, bright enough to dazzle humanity and visible for 20 days. An incredible cosmic event ...

Supernova remnant Cassiopeia A, the brightest celestial radio source beyond the solar system, is only about 300 years old. The only recorded sighting was by John Flamsteed on Aug. 16, ...

The Vela explosion stands out as the most dramatic example, occurring when our planet was emerging from the last ice age around 13,000 years ago.

There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes. But astronomers recently spotted a mysteriously circular orb deep in the ...

When a massive star explodes in a brilliant flash called a supernova, it sends out a wave of high-energy particles into space. These particles can travel for thousands of light-years, crossing solar ...