An asteroid roughly the size of one to two school buses will soon fly by Earth and no one knew it existed until last week.

For more than 200 years, scientists have struggled to pin down the exact strength of gravity — and one physicist spent a decade chasing the answer while keeping his own results hidden from himself.

A new design for orbital data centers. Greener cement. The sweet spot for getting enough sleep. All that and more in this ...

India's $13-billion spacetech sector aims to hit $40 billion by 2030. But with just 1.3% of global capital and no major exits ...

Asteroid the size of a blue whale to skim past Earth today – and you can see it - Astronomers are tracking the object as it ...

Newly discovered massive asteroid whizzes past Earth in unusually close flyby - ...