Sep 20, 2017
There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal.
Sun, Sky Watching, Eclipses
Aug 18, 2017
On August 21, 2017, a continent-spanning wave of instruments from home-made pinhole cameras to the most sophisticated telescopes in operation today will be trained on the Eclipse Across America.
Solar System, Planets of Our Solar System
Aug 15, 2017
Cassini is in the process of executing 22 daring ‘Grand Finale’ dives in the 1,200-mile gap between Saturn and its innermost ring, concluding with an epic final plunge into the gas giant’s upper atmosphere.
Aug 11, 2017
The cosmic ray detector known as CREAM is headed for the International Space Station, with a goal of measuring the highest energy possible for direct measurement of high-energy cosmic rays.
Sky Watching, Eclipses, Meteor Showers
Aug 9, 2017
The Perseid meteor shower will peak on August 11, 12, and 13, and a Total Solar Eclipse will be visible in the United States from coast to coast on August 21.
Aug 1, 2017
NASA is hunting for Near-Earth Objects, while also working on ways to defend Earth against them.
Sun, Our Sun, Earth’s Space Environment
Jun 27, 2017
Intense solar activity such as sunspots and solar flares subsides during solar minimum, but that doesn’t mean the sun becomes dull. Solar activity simply changes form.
Jun 19, 2017
Scientists have been studying plant growth on the International Space Station. The results could help boost the productivity of both extraterrestrial and earthly gardens.
Earth, Climate Change, Ice
Jun 8, 2017
NASA's OMG and Operation IceBridge missions are investigating the thinning of Greenland's ice sheets from both above and below.
May 31, 2017
NASA studies are looking at the effects of space travel on the human body's immune system.
Sun, Earth’s Space Environment
May 16, 2017
Sounding rocket missions can often be the key to getting a quick answer to a tightly focused science question.
Solar System, Sky Watching
Apr 20, 2017
In 2017 and 2018, three comets will pass near the Earth providing the opportunity to observe and study these icy interlopers.
Apr 17, 2017
Stringent testing is underway to prove the James Webb Space Telescope can handle an Earth-shaking take-off and still capture the universe’s first light while deeply ensconced in the hyper-cold of space.
Universe, Earth, Sun, Solar System
Apr 13, 2017
We once thought oceans made our planet unique, but we’re now coming to realize that ‘ocean worlds’ are all around us.