Renowned theoretical physicist Stephen Hawking, who wrote the best-selling book, “A Brief History of Time,” soon will experience a brief history with weightlessness.
Hawking, who uses a wheelchair and is almost completely paralyzed by amyotrophic lateral sclerosis, or Lou Gehrig’s disease, plans to go on a weightless flight on April 26, officials at the flight operator [...]

When Joy Lagos learned she had cancer, she was confident she would beat it. What brought the San Francisco resident to tears, however, was knowing that radiation and chemotherapy would lead to early menopause and rob her of the chance to have children.
Last week, that may have changed.
An infertility expert in suburban St. Louis transplanted [...]

U.S. Olympic skier Toby Dawson embraced his tearful father Wednesday as they reunited for the first time since the athlete was lost in a South Korean market more than two decades ago, leading to his eventual adoption in the United States.
“Don’t worry,” Dawson, 28, told Kim Jae-su as the two met in front of dozens [...]

1954: US tests hydrogen bomb in Bikini
The US has produced the biggest ever man-made explosion so far in the Pacific archipelago of Bikini, part of the Marshall Islands.
It is believed the hydrogen bomb was up to 1,000 times more powerful than the atomic bomb that destroyed Hiroshima.
It was so violent that it overwhelmed the measuring [...]