US, Russian astronauts will swap seats on rockets again

NASA astronauts will go back to riding Russian rockets under an agreement announced Friday, and Russian cosmonauts will catch lifts to the International Space Station with SpaceX beginning this fall.

A lizard that can switch from female to male before birth

A team of researchers at the University of Tasmania working with a colleague from the University of Canberra has found that a species of lizard can switch from female to male prior to birth. In their paper published in Proceedings ...

Researchers dramatically clean up ammonia production and cut costs

Ammonia—a colorless gas essential for things like fertilizer—can be made by a new process which is far cleaner, easier and cheaper than the current leading method. UTokyo researchers use readily available lab equipment, ...

Spacewalking astronauts tackle battery, cable work

Spacewalking astronauts completed battery and cable work outside the International Space Station on Monday despite communication trouble that sometimes made it hard for them to hear.

CenturyTel, seeking scale, to buy Qwest for $10B+

(AP) -- CenturyTel Inc., the country's fifth-largest local-phone company, plans to buy the third-largest, Qwest Communications International Inc., in a stock deal worth more than $10 billion so the companies can try to better ...

Cassini Thruster Swap Planned

(PhysOrg.com) -- The Cassini spacecraft will swap to a backup set of propulsion thrusters in mid-March due to degradation in the performance of the current set of thrusters.