Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...

Jan. 19, 2026 A nearby active galaxy called VV 340a offers a dramatic look at how a supermassive black hole can reshape its entire host. Astronomers observed a relatively weak but restless jet ...

Generations of Times journalists have journeyed there with scientists. Their coverage traces humankind’s changing relationship with the most mysterious continent. By Raymond Zhong Six years after the ...