Astronomy & Space news

How do we terraform Venus?

It might be possible to terraform Venus some day, when our technology gets good enough. The challenges for Venus are totally different than for Mars. How will we need to fix Venus?

Jul 25, 2014
3.2 / 5 (70) 55

Melting of Floating Ice Will Raise Sea Level

When ice on land slides into the ocean, it displaces ocean water and causes sea level to rise. People believe that when this floating ice melts, water level doesn’t rise an additional amount because the freshwater ice displaces ...

Aug 04, 2005
3.6 / 5 (63) 0

'Hot Jupiter' Systems may Harbor Earth-like Planets

The catalogue of confirmed extrasolar planets ('exoplanets') is growing rapidly. There are currently approximately 133 known planetary systems, harboring a total of 156 exoplanets as of January 2006*. With ...

Mar 19, 2006 feature
3.9 / 5 (57) 0

Earth's gold came from colliding dead stars

We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot ...

Jul 17, 2013
4.7 / 5 (48) 90 | with audio podcast

Fifty Times sharper than Hubble

M87, the central galaxy of the Virgo cluster in a distance of only 50 million light years, was observed by Yuri Kovalev from the Max Planck Institute for Radio Astronony (MPIfR) in Bonn and his colleagues ...

Oct 05, 2007
4.8 / 5 (47) 4