Astronomy
Star Birth and Death Seen Near the Beginning of Time
Until recently, astronomers could not observe the first stars and galaxies that formed in the Universe. This occurred during what…
Afghanistan Students for the International Olympiad in Astronomy & Astrophysics Need Your Help
The 16th International Olympiad on Astronomy and Astrophysics (IOAA) will be held this year in Silesia, Poland on August 10-20,…
China Has Begun Launching its Own Satellite Internet Network
China just launched the first in a series of broadband internet satellites, which could lead to another mega-constellation.
The Final Flight of Ariane 5 Means That Europe is Out of Rockets
The ESA's Ariane 5 rocket just conducted its last launch to space.
How Old is That Star? Ask a Computer
A new machine learning technique could make it much easier to estimate the age of stellar populations.
Celebrate a Year of JWST With This Ludicrous Image of Rho Ophiuchi
It's been a year since JWST began its operations, so the people behind the telescope released a stunning new image…
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…
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.…
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
Astronomers Map out the Radio Waves Coming From Large Satellite Constellations
You've heard that satellite constellations like Starlink are a problem for astronomers and their telescopes. Because the satellites are communicating…