Magnetar Glitches, Fast Radio Bursts, And…Asteroids???
Recently astronomers have been able to associate two seemingly unrelated phenomena: an explosive event known as a fast radio burst…
Titanium Clouds Make This Exoplanet Shine Like a Mirror
ESA's Cheops mission has been studying an ultra-hot exoplanet around a nearby star and discovered its metallic clouds reflect about…
Dynamical Dark Energy Might Explain Strange 21-cm Signal
Dark energy may evolve in time, and it may even connect through a new force of nature with dark matter.…
The Biggest Telescope in the World is Half Built
The European Southern Observatory continues to build the largest telescope in the world, the Extremely Large Telescope (ELT). Construction of…
Wind Direction on Mars Changed Abruptly About 400,000 Years Ago
China's Zhurong rover landed in the Utopia Planitia region of Mars, a vast plain in the northern hemisphere. Dunes surround…
Want to Find Colliding Black Holes? Check the Disks Around Quasars
The universe is awash in gravitational waves. The collisions of massive objects such as black holes and neutron stars generate…
A Black Hole Switched On in the Blink of an Eye
A new study describes how astronomers discovered a supermassive black hole that suddenly "switched on" and became
Ancient Stars Somehow Survived Close to the Center of the Milky Way
The core of our Milky Way Galaxy draws astronomers' attention like moths to a flame. That's because there's a lot…
A Neutron Star is Unwinding a Companion Star
Astronomers have found a bizarre binary star system where a neutron star orbits with another star. Its companion used to…
A Planet has Whipped Up Spiral Arms Around a Young Star
Astronomers have observed dozens of newly forming stars surrounded by protoplanetary disks. Some look like grooved vinyl records, while others…