Cosmic cherry tree from space mystifies Japanese priests, researchers

Cosmic cherry tree from space mystifies Japanese priests, researchers

A cosmic mystery is uniting monks and scientists in Japan after a tree grown from a cherry stone that orbited the Earth for eight months bloomed years earlier than expected — and with very surprising flowers. The four-year-old sapling — grown from a cherry pit that spent time onboard the International Space Station (ISS) — […]

Gravitational tow truck for world-shattering asteroids

Gravitational tow truck for world-shattering asteroids

How would you change the course of an Earth-threatening asteroid? One possibility – a massive spacecraft that uses gravity as a towline – is illustrated in this artist’s vision (Dan Durda (FIAAA, B612 Foundation)) of a gravitational tractor in action. In the hypothetical scenario worked out in 2005 by Edward Lu and Stanley Love at […]

An apocalypse that wiped out the dinosaur threat to us humans

An apocalypse that wiped out the dinosaur threat to us humans

The demise of the dinosaurs is the world’s ultimate whodunit. Was it a comet or asteroid impact? Volcanic eruptions? Climate change? In an attempt to resolve the issue, scientists at the Berkeley Geochronology Center (BGC), the University of California, Berkeley, and universities in the Netherlands and the United Kingdom have now determined the most precise […]

How to get rid of pesky, Earth-shattering asteroids

How to get rid of pesky, Earth-shattering asteroids

How would you change the course of an Earth-threatening asteroid? One idea – a massive spacecraft that uses gravity as a towline – is illustrated in this dramatic artist’s view of a gravitational tractor in action. In the hypothetical scenario worked out in 2005 by Edward Lu and Stanley Love at NASA’s Johnson Space Center, […]