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Look out for giant triangles in space

6 April 2005

Instead of listening for alien radio broadcasts, a better strategy for SETI might be to look for giant structures placed in orbit around nearby stars

First image of exoplanet orbiting Sun-like star

4 April 2005

The relative youth of the system, and the planet's far-flung orbit, allows astronomers to pick the object out from the star's glare

Glow of alien planets glimpsed at last

22 March 2005

For the first time, astronomers have seen the glow of alien planets circling Sun-like stars, heralding a "new era" in planet hunting

Glow of alien planets glimpsed at last

22 March 2005

For the first time, astronomers have seen the glow of alien planets circling Sun-like stars, heralding "a new era" in planet hunting

Planet search reveals smallest star ever

4 March 2005

Barely bigger than Jupiter, only a close second look revealed it to be a star, highlighting the need to check "exoplanets" very carefully

Mini star could offer haven for life

9 February 2005

The dusty disc around a distant brown dwarf-based solar system could one day spawn habitable planets

Brown dwarf may someday harbour habitable planets

8 February 2005

The dusty disc spotted around a tiny brown dwarf may become the building site for a mini solar system, with several Earth-sized planets

The final unravelling of the universe

2 February 2005

It might collapse in a big crunch, or it could end more violently in a big rip. A drift into darkness is an option, but even that could get pretty exciting

First direct sighting of an extrasolar planet

11 January 2005

The distant planet, five times more massive than Jupiter, orbits a brown dwarf – but at a puzzlingly great distance

Titan images add to moon's mystery

3 November 2004