You can't see, feel, hear, taste or smell them, but tiny particles from space are constantly raining down on us.

The ability to move with speed, precision and power is important for longevity. Here’s how to gauge it and how to improve.

Weighing a single living cell sounds like a party trick, yet the numbers involved are so small that they push the limits of ...

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

Far beyond Neptune, astronomers have finally confirmed a compact clump of icy worlds hiding inside the Kuiper Belt, a feature ...

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

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

We live in a galaxy of data. From satellites and smartwatches to social media and swipes at a register, we have ways to measure the economy to an extent that would have seemed like science fiction ...

The United States is one of just three countries that "prefers" imperial measurements over the international metric standard. The motivation why has less to do with official policy than you might ...