Interplanetary Contamination and Extraterrestrial Life

The WOW! Reply: Send Your ET Tweet to Space

By Maria Fischer on July 9, 2012

The Arecibo Observatory seen from the air (Credits: NOAA). The National Geographic Channel is preparing to broadcast tweets from the... Read more →

News

Crew Selected For Hawaiian Mars Analog Study

By Merryl Azriel on July 9, 2012

HI-SEAS crew and alternates in a team building exercise (Credits: Damon Tucker). A 120 day Mars mission simulation known as HI-SEAS  (for Hawaii... Read more →

News1

12 Solar Flares from Sunspot AR1515 and More to Come

By Merryl Azriel on July 6, 2012

The latest GOES solar x-ray image (Credits: NOAA). Sunspot AR1515 spans more than 100,000 km of the sun's surface and has spewed forth 12 M-class... Read more →

Media

Engaging Warp Speed

By Merryl Azriel on July 6, 2012

Physicists think there may be some potential in propulsive ideas likes Star Trek's warp bubble (Credits: David Darling/Internet Encyclopedia of... Read more →

Kessler Syndrome

A Primer on the Legal Issues Surrounding Space Debris Remediation, Part 1

By Michael J. Listner on July 6, 2012

The debris surrounding Earth poses legal as well as physical challenges (Credits: Roger Harris/Science Photo Library). Space debris is considered... Read more →

Rocket Design

Most Powerful Hydrogen Rocket Ever Launched

By Stavros Georgakas on July 5, 2012

The Delta IV Heavy rocket, boosted by the new RS-68A rocket engine, had its successful maiden flight on Friday, June 29 at 9:15 EST, from Cape... Read more →