No one knows where the comet came from. It’s like glimpsing a rifle bullet for a thousandth of a second. You can’t project ...

Discover why astronomers believe the interstellar comet 3I/ATLAS could be 14 billion years old and what Harvard's Avi Loeb ...

Stop the presses! After the Toronto Maple Leafs hired assistant coach Steve Sullivan on December 26, to replace the outgoing ...

Interstellar comet 3I/ATLAS might be older than our Sun and is estimated to be between eight and 14 billion years old and ...

Background Middle-aged men seem to be particularly susceptible to adverse cardiovascular effects of endurance exercise. The ...

Low Earth orbit has quietly become one of the most crowded and hazardous environments humanity has ever created, with an ...

Spacecraft navigation explained with radio tracking, optical systems, and autonomous methods that enable deep space ...

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

This finalizes our definition of adversarial location: the pitcher’s ability to locate pitches where a particular batter gets ...