
Archaeology
1.4-million-year-old footprints reveal a surprisingly large human relative
1.4-million-year-old footprints reveal a surprisingly large human relative A remarkable set of fossil footprints from northern Kenya is offering scientists

1.4-million-year-old footprints reveal a surprisingly large human relative A remarkable set of fossil footprints from northern Kenya is offering scientists

NASA Finds Earth Microbes Could Hide in the Moon’s Deep Shadows Microbes carried to space by human explorers could survive

Satellite images show bedrock and glacier collapsed on Nepal-China border, then rivers flooded As rescue teams searched for missing people

Dark Stars May Have Left a Gravitational-Wave Signal We Can Detect Today A new study suggests that pulsar timing arrays