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Solid evidence that Mars had rivers or streams
Mars has vast networks of channels, but hard evidence for flowing water on Mars has been limited, until now.
May 30, 2013
Water-rock reactions may sustain life below Earth’s oceans, or on Mars
These chemical reactions, which produce hydrogen gas, are thought to have been one of the earliest sources of energy for life on Earth.
May 30, 2013
New ET detection method leads to quest for world’s largest telescope
Astronomers want to search for heat signatures of nearby planets. They'll need a giant telescope to do the job. The pay-off could be an extraterrestrial civilization.
May 30, 2013
Planetary trio has ended. Where do the planets go next?
Jupiter, Venus and Mercury are no longer within a 5-degree circle. But you can still see all three in the west after sunset for a few more days.
May 30, 2013
Video for your ears: What do planets sound like?
NASA Space Sounds: what happens when spacecraft are used to record radio emissions from planetary environments, which are then converted to sound waves.
May 30, 2013
Researchers use weightlessness of space to design better materials
Researchers from Northeastern University are among the many scientists helping NASA use the weightlessness of space to design stronger materials here on Earth.
May 29, 2013
This date in science: First space shuttle docking with ISS
On May 29, 1999, the Discovery space shuttle became the first to dock with ISS. But the first image of a shuttle docked with ISS took 12 more years.
May 29, 2013
Your best photos: May 2013 supermoon
To all who shared your images with us ... thank you.
May 24, 2013
A hidden population of exotic neutron stars
Magnetars – the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation - are some of the most extreme objects known in the Universe
May 23, 2013
The Ring Nebula’s true shape
The Ring Nebula's true shape - revealed in this composite image made in visible light and infrared - is vastly more intricate than astronomers knew.
May 23, 2013
