U.S. development of missile defense systems is forcing the nuclear arms race into a new phase as China and Russia modernize their arsenals in response.

A non-governmental group of astronauts, scientists, and technologists have started an organization with the goal of significantly altering the orbit of an asteroid "in a controlled manner" by the year 2015.

The author argues that the scale and budget of the U.S. missile defense plan will greatly reduce the independence and political neutrality of the Silicon Valley technology sector.

Fred Kaplan criticizes the Bush administration's over-emphasis on missile defense at the expense of research into the technologies necessary to detect the next terrorist attack.

The U.S. termination of the Anti-Ballistic Missile Treaty with Russia could have dramatic repercussions for the security situation in South Asia, according to regional experts. The balance of power between China, India and Pakistan may be increasingly difficult to stabilize as the three countries adapt their nuclear and missile development plans to a new global security environment according to a new report from the Henry L. Stimson Center.

Paul Godwin speculates on how China would respond to a U.S. deployment of a national missile defense system.

Space-based missile defences could result in swarms of dangerous debris that make low-Earth orbits permanently unusable, a prominent US astronomer has warned.

A senior Russian lawmaker called for Russia to upgrade its nuclear weapons capability in response to the U.S. missile defense program, despite a recent improvement in ties.

An MIT expert on national security technology tells us why the current missile defense project won't ever be able to do its job?and offers a better alternative.

A Pentagon agency, two major military contractors, and an independent research team led by MIT scientists produced flawed studies that exaggerated the success of a key test used to justify spending billions of dollars on the fledgling national missile defense program, according to two reports obtained by the Boston Globe.