Conceptual shelters that will protect us all from the perils of our rapidly changing environment: rising waters, extreme heat, rampant pollution and overpopulation
Energy from the Earth's core comes to the surface
To rescue the Earth, we need bold engineering ideas that go beyond simple recycling
Unmanned aerial vehicles and images from space: Is this the future of firefighting?
Save coastal marshes and clean up polluted waterways with plant-covered rafts
Huge blankets in the Alps could prevent a big thaw
A mega-drill will go where no machine has gone before: into Earth's mantle
Overwhelming atmospheric evidence supports the reality of global warming--and humans' role in causing it
Your August obituary of astronomer Thomas Gold implied that his oil-abundance theory is off-base, but hasn't recent research proved otherwise?
The Ancestor's Tale: A Pilgrimage to the Dawn of Evolution
He distills the fundamental rules that govern birds, bees . . . all of nature.
His icy analyses offer disquieting news about our climate's future.
An eco-hip acoustic fridge debuts. But is anyone listening?
Did SARS start in space?
Astronomy: Timothy Ferris eyes the amateur asteroid-watchers.
Producer Larry Klein takes us behind the scenes of the NOVA documentary "Why the Towers Fell", a scientific look at the American Society of Civil Engineers' report of why the World Trade Center collapsed.
According to the laws of physics, the world should not exist. To explain why we're here, scientists are recreating the universe's fiery beginnings by pitting matter against antimatter and watching them annihilate.
In this intimate interview, hear insights about Sir Ernest Shackleton and the Endurance voyage as only a devoted granddaughter can have them.