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New research provides evidence of rainfall on the north pole of Titan, the largest of Saturn’s moons, shown here. The rainfall would be the first indication of the start of a summer season in the moon’s northern hemisphere, according to the researchers. Credit: NASA/JPL/University of Arizona.

NASA’s Cassini spacecraft spotted fresh rainfall on Saturn’s moon Titan

The international Cassini spacecraft has captured an image that shows the rainfall on the north pole of Titan, the largest of Saturn's moons. Scientists noted...
This artist’s impression shows how J043947.08+163415.7, a very distant quasar powered by a supermassive black hole, may look close up. This object is by far the brightest quasar yet discovered in the early Universe.

Hubble sees the brightest quasar in the early Universe

The NASA/ESA Hubble Space Telescope has discovered the brightest quasar ever seen in the early Universe. After 20 years of searching, astronomers have identified...
The powerful wind from the newly formed star at the heart of the Orion Nebula is creating the bubble (black) and preventing new stars from forming in its neighborhood. NASA/SOFIA/Pabst et. al

Lifting the veil on star formation in the Orion Nebula

In a recent observation by NASA scientists using NASA’s Stratospheric Observatory for Infrared Astronomy (SOFIA), scientists found that the stellar wind from a newborn star...
This gigantic image of the Triangulum Galaxy — also known as Messier 33 — is a composite of about 54 different pointings with Hubble’s Advanced Camera for Surveys. With a staggering size of 34 372 times 19 345 pixels, it is the second-largest image ever released by Hubble. It is only dwarfed by the image of the Andromeda Galaxy, released in 2015. The mosaic of the Triangulum Galaxy showcases the central region of the galaxy and its inner spiral arms. Millions of stars, hundreds of star clusters and bright nebulae are visible. This image is too large to be easily displayed at full resolution and is best appreciated using the zoom tool. Credit: NASA, ESA, and M. Durbin, J. Dalcanton, and B. F. Williams (University of Washington)

Hubble takes gigantic image of the Triangulum Galaxy

The NASA/ESA Hubble Space Telescope has captured the most detailed image yet of a close neighbour of the Milky Way — the Triangulum Galaxy,...
The first color image of Ultima Thule, taken at a distance of 85,000 miles (137,000 kilometers) at 4:08 Universal Time on January 1, 2019, highlights its reddish surface. At left is an enhanced color image taken by the Multispectral Visible Imaging Camera (MVIC), produced by combining the near infrared, red and blue channels. The center image taken by the Long-Range Reconnaissance Imager (LORRI) has a higher spatial resolution than MVIC by approximately a factor of five. At right, the color has been overlaid onto the LORRI image to show the color uniformity of the Ultima and Thule lobes. Note the reduced red coloring at the neck of the object. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

New Horizons mission reveals entirely new kind of world

On Jan.1, New Horizons made history with the first flyby New Horizons Mission Reveals Entirely New Kind of World. Now, NASA scientists have revealed the first...
At left is a composite of two images taken by New Horizons' high-resolution Long-Range Reconnaissance Imager (LORRI), which provides the best indication of Ultima Thule's size and shape so far. Preliminary measurements of this Kuiper Belt object suggest it is approximately 20 miles long by 10 miles wide (32 kilometers by 16 kilometers). An artist's impression at right illustrates one possible appearance of Ultima Thule, based on the actual image at left. The direction of Ultima's spin axis is indicated by the arrows. Credits: NASA/JHUAPL/SwRI; sketch courtesy of James Tuttle Keane

New Horizons successfully explores Ultima Thule

New Horizons made history with the flyby of Ultima Thule, a mysterious object 4.1 billion miles (6.6 billion kilometers) from Earth in the Kuiper...
An artist's impression of NASA's New Horizons spacecraft encountering Ultima Thule (2014 MU69), a Kuiper Belt object that orbits one billion miles beyond Pluto, on Jan. 1, 2019. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Steve Gribben

NASA spaceship to capture most distant world explored yet on New Year’s Day

NASA's unmanned New Horizons spacecraft is closing its memorable New Year's flyby target, the most distant world at any point examined, a frozen relic...
The International Space Station, shown here in 2018, is home to many scientific experiments, including NASA's Cold Atom Laboratory. Credit: NASA

The coolest experiment in the universe

NASA's Cold Atom Laboratory on the International Space Station creating something even colder than a winter day in Antarctica dip as low as -120ºF...
Hubble captured this view of comet 46P/Wirtanen on Dec. 13, 2018. Credits: NASA, ESA, D. Bodewits (Auburn University) and J.-Y. Li (Planetary Science Institute)

NASA telescopes captured the brightest comet of 2018

On Dec. 13, the brightest comet 46P/Wirtanen passed 7.4 million miles (12 million kilometers) from Earth. On this event, NASA's Hubble Space Telescope captured...

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