Bridges have changed a lot over the centuries, from being little more than fallen trees and conveniently arranged stepping ...

Space is extremely dangerous, but people can still do more than robotic explorers can – in terms of technical achievements ...

Experts say building a lunar colony within the next decade, as NASA and Elon Musk want to, will require finding solutions to ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

Two archaeologists explore the enduring myth that extraterrestrials contributed to the various ancient cultures around the ...