Martian Valleys Likely Caused by Ancient Snowfall or Rain
In a new study, scientists from Brown University suggest that certain valleys on Mars appear to have been caused by runoff from orographic precipitation. Providence,…
Space News
Hubble’s View of Stephan’s Quintet
This popular image from the Hubble Space Telescope shows Stephan’s Quintet. NGC 7320 is 40 million light-years from Earth and the other four members of…
XMM-Newton Sets New Record for Cosmic X-Ray Sightings
Scientists have set a new record for cosmic X-ray sources ever sighted, creating an unprecedented cosmic X-ray catalog with 531,261 detections of X-ray emitting objects…
Cassini Helps Explain the Mystery of the Missing Waves on Titan
A new four minute ScienceCast video and new Cassini RADAR Team study examine the surface of Titan, trying to explain the mystery of the missing…
Planets Orbiting Cooler Stars May Be More Likely to Remain Ice Free
New climate model research from astronomers at the University of Washington suggests that planets orbiting cooler stars may be more likely to remain ice-free than…
NASA’s Hubble Views NGC 4866
Hubble captured this image of NGC 4866, a lenticular galaxy situated roughly 80 million light-years from Earth. The constellation of Virgo (The Virgin) is the…
SOHO Views Large Coronal Hole Near the Sun’s North Pole
The Solar and Heliospheric Observatory captured an image of a coronal hole hovering over the sun’s north pole. The European Space Agency/NASA Solar and Heliospheric…
Hubble Reveals Link Between Stars’ Ages and Their Orbits
Using the Hubble Space Telescope to track the orbital motion of over 30,000 stars in globular cluster 47 Tucanae, astronomers have revealed a link between…
ALMA Reveals First Ever Snow Line Seen Around a Distant Star
Using the new Atacama Large Millimeter/submillimeter Array (ALMA) telescope, astronomers have discovered a CO snow line in an infant solar system. A snow line has…
Curiosity Reveals Clues about Mars’ Original Atmosphere
In two new studies, NASA’s Curiosity Rover reveals details about the Martian atmosphere and clues about how Mars may have lost much of its original…
Colliding Neutron Stars Produce Gold
Update September 15, 2020: New research indicates that neutron star collisions do not actually produce that much gold. A new study from the Harvard-Smithsonian Center…
How Astronomers Search for Habitable Exoplanets
As the search for habitable planets continues, astronomers detail how they determine which exoplanets have all the right conditions for life to thrive. There is…
“Hidden Flux” of Material May Help Explain Earth’s Origins
Scientists at MIT have discovered a “hidden flux” of material deep in the Earth’s mantle that would make the planet’s overall composition more similar to…
VLT Views a Gas Cloud Being Ripped Apart by a Black Hole
Using the Very Large Telescope at the European Southern Observatory, astronomers watch in real time as a gas cloud is being ripped apart by the…
Comet ISON’s Journey Toward the Sun
This three minute video from NASA details and explains the journey of sungrazing comets, like comet ISON, as they round the sun. Comet ISON, which…
NASA Spacecraft Observe Magnetic Reconnection in Action
By combining data from NASA’s Solar Dynamics Observatory and the Reuven Ramaty High Energy Solar Spectroscopic Imager, scientists were able to create a comprehensive view…
Hubble Data Reveals a New Neptune Moon
While analyzing Neptune photos taken by the Hubble Space Telescope, an astronomer discovered a new moon orbiting Neptune. Designated S/2004 N 1, the new moon…
Hubble Views Planetary Nebula IC 289
A newly released Hubble image shows the remains of a star known as planetary nebula IC 289. This NASA/ESA Hubble Space Telescope image shows the…