Science editor Alan Boyle's Weblog: Space elevator enthusiasts gather to assess how far they've risen on what they hope will be a radically new path to orbit and beyond.

Anyone gazing at the summer night sky for even a short length of time is likely to spot a few "shooting stars" darting across the sky.

A NASA spacecraft sent on a mission to inspect comets has filmed Earth and its moon from 31 million miles away, creating an alien’s-eye view of our world.

Newly revealed readings from NASA's Mars Reconnaissance Orbiter indicate that a lot more Martian rocks were altered by water than scientists originally thought.