A 6-Year Search of the Outer Solar System Turns up 461 new Objects (but no Planet 9)

Oldest known mammal cavities discovered in 55-million-year-old fossils suggests a sweet tooth for fruit

Astronomers solve 900-year-old cosmic mystery surrounding Chinese supernova of 1181AD

Astronaut Mark Vande Hei and Cosmonaut Pyotr Dubrov had their mission on the ISS extended to a year in the light of space tourists arriving with Soyuz MS-19 in October.