Physics, Astronomy and Space

Better engines 18 November 2004

The sparks fly
Electric propulsion for spacecraft

A costly failure 21 October 2004

Why the Genesis probe crashed

Private space exploration 7 October 2004

The X-Prize is claimed

Dodging bullets… 30 September 2004

Far away, so close
A large asteroid sweeps by the Earth. Where are the others?

Looking for planets around distant stars 23 September 2004

In search of the Earth Mark II
Terrestrial exoplanets will likely be found soon.

Foreign atmospheres 23 September 2004

Valuable vapours
How methane on Mars is distributed.

Telescopes in orbit 28 August 2004

X-ray specs
A retrospective on NASA’s Great Observatories, Compton, and Spitzer.

Understanding gravity 21 August 2004

An invisible hand
A gravitational mystery affecting pendulums and satellites–could General Relativity be wrong?

Propulsion 12 August 2004

The heat is on.
A more efficient spacecraft engine.

Quantum oddities 17 June 2004

In the twinkling of an ion
Two groups have succeeded in teleporting quantum states.

Understanding gravity 15 April 2004

Turn, turn, turn
A new satellite, Gravity Probe B, will test Einstein’s General Theory of Relativity.

Novel computational techniques 1 April 2004

Bit by bit
Developments in quantum computing and chaotic computing

Standard modelling 27 March 2004

Precise in every part
A new measurement of the muon is revealing problems with the standard model of physics.

The outer solar system 20 March 2004

10 Planets, or 8?
A new object has been detected far beyond Pluto

Bounding information 6 March 2004

Hair today
String theory might reveal the internal structure of black holes

Towards the planck length 28 February 2004

Atto boy!
The shortest time, and smallest mass, yet measured

Climbing the periodic table 5 February 2004

Two new elements
A Russian-American collaboration has created two new chemical elements.

Modern-day aether? 5 February 2004

A cosmological conundrum
What if the dark energy and dark matter essential to modern explanations of the universe don’t really exist?

Planet hunting 20 November 2003

Baby boom
Astronomers can now find baby planets.

Gamma-ray mystery 3 November 2003

Bursting with controversy
Arguments continue about the biggest explosions in the universe–—just what are gamma-ray bursts, and how do they work?