Amateur skygazers lift lid on Pentagon's 'drone' in space.

Climate change advocates will be buoyed by data which has emerged from the US today.

Accused of "the biggest military hack of all time" Gary McKinnon is, according to the US, the most dangerous hacker in the world.

The US will be a hitch-hiker on other nations' space programmes, writes Gwynne Dyer.

US President Barack Obama has unveiled a budget that forecast a record deficit of $1.56 trillion (NZ$2.2 trillion) this year.

Jet packs! Motors that run for ever! Centrally heated pants! We've been promised these wonders, and many more, for ages. So what's the hold-up?

A giant ring so faint it is all but invisible to conventional light telescopes has been discovered around Saturn.

At 2.56pm NZT today it will be exactly 40 years since Neil Armstrong set foot on the moon. Today Barack Obama met him to mark the anniversary.