The first confirmed interstellar visitor to our solar system is a needle-shaped asteroid given the Hawaiian name ‘Oumuamua. Astronomers have determined that 'Oumuamua made its…
Acting NASA Administrator Robert Lightfoot and National Space Council Executive Secretary Scott Pace comment on Space Policy Directive 1, signed Monday, Dec. 11, 2017, by…
Saturn has a dense ionosphere, one that has similarities and differences to our own, some of the final data from NASA’s Cassini mission reveal. Before…
Sit back and enjoy this NASA clip with a view from the Voyagers' epic journey through the solar system. See iconic images of planets and…
Jovian clouds in striking shades of blue in this new view taken by NASA’s Juno spacecraft. Its an incredibly detailed photo of Jupiter’s clouds as…
Researchers from Lund University will use VR-technology and data from the European Satellite Gaia to create a three-dimensional model of the Milky Way. The research…
Science Magazine shows us how new research suggests that silicon carbide transistors could let landers survive for months rather than hours in the immense pressure…
This European Southern Observatory (ESO) animation shows the path of the interstellar asteroid 1I/2017 (`Oumuamua) through the Solar System. Observations with ESO's Very Large Telescope…
Alien megastructures? Gravitational waves? Explore the latest cosmic conundrums when Neil deGrasse Tyson and Eugene Mirman answer questions from StarTalk fans.
Nebulas are vast - even millions of light years in diameter - interstellar clouds of dust, hydrogen, helium and other ionized gases. The formations of…
Over a period of two and a half years, NASA's Hubble Space Telescope observed the "light echo" of supernova SN 2014J in galaxy M82, located…
Mars has two moons, Phobos and Deimos. Both are small, airless bodies with irregular shapes. Because they lack protective atmospheres and magnetospheres, Phobos and Deimos…
Astronomers are mapping star-forming regions that contain clouds of water vapor, glowing brightly with radio waves that can penetrate the gas and dust. By measuring…
Which planet in our solar system has the most moons—Saturn or Jupiter? Learn some interesting facts about each planet's natural satellites in the video by…
The Milky Way galaxy was once ablaze with bright young stars. Today, star formation has calmed down, but we glimpse intense pockets of gas that…
Friday, Sept. 15, 7-8:30 a.m. EDT: Cassini mission's "Grand Finale." Live commentary. See inside mission control as we awaited the FINAL signal and science data…
In its final hours, NASA’s Cassini spacecraft returned these last looks at Saturn, its rings and moons, as it prepared to end its nearly 20-year…
In September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been…
According to NASA, the sun let loose two massive flares this week. Both of them were classified as X-class emissions, the most intense category of…
NASA’s Solar Dynamics Observatory, which watches the sun constantly, captured images of the events. Solar flares are powerful bursts of radiation. Harmful radiation from a…