Planets of Our Solar System, Sky Watching
Mar 16, 2018
For a beautiful sky show, go for a sunset walk on March 18th. You’ll need an unobstructed view of the western horizon for the evening’s treat so climb a hill, see if you can catch a glimpse from the top of a parking garage or perch on a balcony.
Mar 16, 2018
NASA has powered on its latest space payload to continue long-term measurements of the Sun's incoming energy. Total and Spectral solar Irradiance Sensor (TSIS-1), installed on the International Space Station, became fully operational with all instruments collecting science data as of this March.
Mar 14, 2018
Next year marks the 20th anniversary of NASA’s Chandra X-ray Observatory launch into space. The Crab Nebula was one of the first objects that Chandra examined with its sharp X-ray vision, and it has been a frequent target of the telescope ever since.
Mar 13, 2018
If you wanted to reduce the amount of pollution humans produce, where might you look? Here? Yep. Here? Sure. Here? Wait, what? That’s exactly where scientists and researchers are looking: about 250 miles above Earth, on the International Space Station (ISS). Here, astronauts are working on a... Read More
Mar 13, 2018
Astronomers have put NASA's Hubble Space Telescope on an Indiana Jones-type quest to uncover an ancient "relic galaxy" in our own cosmic backyard. The very rare and odd assemblage of stars has remained essentially unchanged for the past 10 billion years. This wayward stellar island provides... Read More
Solar System, Planets of Our Solar System
Mar 8, 2018
Data collected by NASA’s Juno mission to Jupiter indicate that the atmospheric winds of the gas-giant planet run deep into its atmosphere and last longer than similar atmospheric processes found here on Earth. The findings will improve understanding of Jupiter’s interior structure, core mass and,... Read More
Mar 7, 2018
Astronomers have used NASA's Hubble Space Telescope to uncover a vast, complex dust structure, about 150 billion miles across, enveloping the young star HR 4796A. A bright, narrow, inner ring of dust is already known to encircle the star and may have been corralled by the gravitational pull of an... Read More
Universe, Stars, Earth’s Space Environment
Mar 6, 2018
Imagine an object moving at super-sonic speed. This object, as it moves through a medium, causes the material in the medium to pile up, compress, and heat up. The result is a type of shock wave, known as a bow shock.
Earth, Climate Change
Mar 6, 2018
Permafrost in the coldest northern Arctic -- formerly thought to be at least temporarily shielded from global warming by its extreme environment -- will thaw enough to become a permanent source of carbon to the atmosphere in this century, with the peak transition occurring in 40 to 60 years,... Read More
Mar 5, 2018
In the 1980s, scientists started discovering a new class of extremely bright sources of X-rays in galaxies. These sources were a surprise, as they were clearly located away from the supermassive black holes found in the center of galaxies. At first, researchers thought that many of these... Read More
Mar 2, 2018
Much like detectives study fingerprints to identify the culprit, scientists used NASA’s Hubble and Spitzer space telescopes to find the “fingerprints” of water in the atmosphere of a hot, bloated, Saturn-mass exoplanet some 700 light-years away. And, they found a lot of water. In fact, the planet,... Read More
Mar 1, 2018
Today is launch day for NOAA’s newest weather satellite, the Geostationary Operational Environmental Satellite-S (GOES-S). A two-hour launch window will open at 5:02 p.m. EST today.
Feb 28, 2018
How would you search for signs of life – traces of tiny, living microbes or their fossilized remains – in an extreme and distant environment? NASA scientists and engineers are working on an answer to that question, aiming to find out if life ever evolved on the planet Mars and if it still harbors... Read More
Earth, Climate Change, Ice
Feb 21, 2018
A NASA study based on an innovative technique for crunching torrents of satellite data provides the clearest picture yet of changes in Antarctic ice flow into the ocean. The findings confirm accelerating ice losses from the West Antarctic Ice Sheet and reveal surprisingly steady rates of flow from... Read More
Solar System, Mars
Feb 20, 2018
The planet Mars has fascinated scientists for over a century. Today, it is a frigid desert world with a carbon dioxide atmosphere 100 times thinner than Earth’s. But evidence suggests that in the early history of our solar system, Mars had an ocean’s worth of water. NASA’s James Webb Space... Read More