Life on Mercury? Scientists claim discovery of water on...
Bright Planets in Summer Night Sky Explained (Infographic)...
From July through August, planet groupings in the pre-dawn and dusk skies will impress skywatchers around the world.
Particles point way for Voyager
Scientists working on Voyager 1 are receiving further data suggesting the probe is close to crossing into interstellar space.
See The Sun In A Whole New Light: Big Pic : Discovery News...
The complex surface of the sun is revealed in a stunning solar portrait by Alan Friedman.
In pictures: Transit of Venus
Solar and Heliospheric Observatory Homepage
Ancient Egyptian Calendar Reveals Earliest Record of 'Demon...
The first observation of a flickering star was made 3,000 years before thought.
Everything you need to know: Venus transit on June 5-6
Seen from Earth, Venus will cross the sun's face for the last time in this century on June 5-6, 2012. This transit of Venus will be the last of our lifetimes.
Huge "Structure" of Satellites Found Orbiting Milky Way
The unexpectedly tidy grouping of galaxies and clusters spells trouble for theories of dark matter, its discoverers say.
'Supermoon' Alert: Biggest Full Moon of 2012 Occurs This...
This Saturday's May full moon will be brighter and larger than any other this year.
Rare "Emerald Cut" Galaxy Found
A distant dwarf galaxy is a rare "emerald cut" gem, according to astronomers who spied the oddity in recent images.
Venus and Jupiter in 'close pass'
The pairing of Jupiter and Venus in the sky is set to reach its closest point in the coming days.
Black Hole in Milky Way Seen Snacking on Asteroids?
An ongoing rocky buffet would explain bright x-ray flares seen around our galaxy's supermassive black hole since 1999, astronomers say.