The long-term investigation of Scott Kelly's health after nearly a year in space shows that the early findings from 2017 were valid – with some new insights into possible health issues for future Mars travelers.
The battered face of Saturn's frigid moon Dione gets a close-up in a gorgeous photo by NASA's Cassini spacecraft.
NASA astronaut Randy Bresnik presents the latest installment of the educational series "STEMonstrations" and highlights Isaac Newton's second law of motion by sending three objects into free flight inside the International Space Station.
A new 360-degree video on NASA's YouTube channel shows an engineering model of the InSight lander testing out instrument deployment in a simulated Martian environment at NASA's Jet Propulsion Laboratory in California.
This lovely skyscape shows the end of nautical twilight above the Roque de los Muchachos Observatory, on the Canary Island of La Palma, Spain, as the day transitions to night.
Communications systems are an integral part of daily life, but the sun can trigger powerful geomagnetic storms on Earth that disrupt GPS systems, air travel, national security and life-saving communications.
Two merging spiral galaxies are caught twisting each other into cosmic knots in a spectacular photo by NASA's Hubble Space Telescope.
The intricate threads of cold gas in the Orion Nebula reveal that star formation in the largest clouds works much as it does in the smaller ones, thus unifying theories about how stars are born.
If Earth retained water after its fiery birth, could the moon have done so, too?
Minerals locked in clays burnt by ancient African farmers reveal the history of Earth's magnetic field.
Russia could soon be able to conduct nuclear strikes all over the world without any chance of being intercepted. Here's how we got to this point.
As exciting as SpaceX's Falcon Heavy launch was, we should remember that the wonders of space, with its "billions and billions" of planets and stars, are not exclusive domain of a few billionaires.
"Cosmos" host and astrophysicist Neil deGrasse Tyson recently shot down the ideas of anyone out there who still thinks the Earth is flat.
President Donald Trump offered praise for the U.S. commercial space industry in comments March 8 that appeared to cement previous policy on the issue rather than create new policy.
The Transiting Exoplanet Survey Satellite (TESS) will monitor at least 200,000 stars for at least two years, looking for signs of exoplanets.
French astronomer Charles Messier's list of the best and brightest showpieces in the night sky is popular with skywatchers of all experience levels.
To visit a truly strange land full of wonder and mystery, all you have to do is crack open your microscope case and look down, down, down.
"A Wrinkle in Time," which opens in theaters today (March 9), is the perfect film to show kids applications of science, technology, engineering and math (STEM).
Portal origin URL: 3 NASA Satellites Recreate Solar Eruption in 3-DPortal origin nid: 420349Published: Friday, March 9, 2018 - 10:00Featured (stick to top of list): noPortal text teaser: Scientists have developed a model that simulates how shocks following coronal mass ejections, or CMEs, propagate from the Sun — an effort made possible only by combining data from three different NASA satellites.Portal image: three satellites' models of a CME in 3-DScience Categories: Sun
Portal origin URL: SOFIA is Looking for Next Science InstrumentPortal origin nid: 420364Published: Friday, March 9, 2018 - 08:00Featured (stick to top of list): noPortal text teaser: Portal image: Animation illustrating SOFIA's telescope assembly with a science instrument installed.Science Categories: Universe