Related topics: nasa · asteroid · sun · moon · atmosphere

Formation of the moon brought water to Earth

The Earth is unique in our solar system: It is the only terrestrial planet with a large amount of water and a relatively large moon, which stabilizes the Earth's axis. Both were essential for Earth to develop life. Planetologists ...

Moon maps, lunar origins and everything between

The moon's consistent appearance in the sky each night may lull earthlings into a sense of familiarity, but the moon is actually a puzzling place. It lacks an atmosphere and is bone-dry; it can hardly claim a central iron ...

Mapping our global human footprint

The number of people flocking to cities in search of employment and better prospects is growing at an unprecedented rate. By 2050, the global population is estimated to reach nine billion, 70% of which will be living in urban ...

Asteroid mining not a million miles away

Work by a team of University of Adelaide scientists to perfect metal and mineral extraction processes is bringing the possibility of mining the wealth contained within asteroids closer to reality. But science fiction won't ...

Hayabusa2 drops target marker at asteroid Ryugu

The Japanese Aerospace Exploration Agency (JAXA) has made some impressive feats in recent years. Roughly one year ago, and following in the footsteps of its predecessor, the Hayabusa2 spacecraft successfully rendezvoused ...

How satellites can improve the health of city dwellers

Most people get a health boost from exercise. But for those with heart disease or a lung condition such as asthma, exercising during periods of high urban air pollution can exacerbate rather than improve their condition.

US-China trade war sparks worries about rare minerals

Rising trade tensions between the U.S. and China have sparked worries about the 17 exotic-sounding rare earth minerals needed for high-tech products like robotics, drones and electric cars.

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