The Shocking Size of Comet McNaught

(PhysOrg.com) -- British scientists have identified a new candidate for the biggest comet measured to date. Dr Geraint Jones of UCL's Mullard Space Science Laboratory presented the results at the RAS National Astronomy Meeting ...

Ulysses space mission to end

After 18.6 years in space and defying several earlier expectations of its demise, the joint ESA/NASA solar orbiter Ulysses will achieve 'end of mission' on 30 June 2009. The final communication pass with a ground station ...

Hubble launches large ultraviolet-light survey of nearby stars

Stars are not created equal. They span a broad range of sizes, ages, and temperatures from diminutive red, cool, low-mass stars to opulent blue, hot, massive stars. Our Sun is roughly midway between these populations. Because ...

Why don't we send probes "up" in the solar system?

Dammit, science people! Why are you always firing probes "outwards"? Then they have to go past all this stuff, like planets and asteroids and crap to escape the solar system. Don't you realize that if we want to see what's ...

Scientists bid adieu to plucky solar probe

US and European scientists were Tuesday bidding farewell to the tenacious solar probe Ulysses which has been recording data around the sun for more than 18 years, four times longer than planned.