Latest articles by Calla Cofield
Cassini Dives Into Saturn Today: Here's When and How to Watch
Today (Sept. 15), NASA's Cassini spacecraft will dive into Saturn's atmosphere and disintegrate. You can watch the action live right here on Space.com, starting at 4:00 a.m. PDT (7 a.m. EDT).
Cassini’s Greatest Hits: The Spacecraft’s Best Images of Saturn
The Cassini-Huygens mission to Saturn gave us fantastic images of razor-thin rings, icy moons and colorful clouds. Here are the best of the bunch from NASA.
The End Is Nigh for Cassini: Saturn Probe Enters Final 48 Hours
The end is nigh for NASA's Cassini spacecraft, which is now less than 48 hours away from its scheduled death dive into Saturn.
Cassini Spacecraft Photos Reveal the Secrets of Saturn's Strangest Moons
The weird and wonderful Saturn system is home to some truly strange moons. Here's an image gallery of some of the strangest satellites in the bunch.
Remembering 9/11: NASA Marks 16th Anniversary with Online Tribute
On the 16th anniversary of 9/11, NASA paid tribute on its website to the people who were killed and injured by the terrorist attacks that took place that day.
James Webb Space Telescope Will Hunt for Signs of Life in the Solar System
The soon-to-launch James Webb Space Telescope will turn its powerful eye on two of the solar system's top candidates for hosting alien life: the icy moons Enceladus and Europa.
1 Week Until Cassini's Fatal Saturn Dive: Here's How the Probe Will Spend Its Final Days
The one-week countdown has begun for the Cassini spacecraft's fatal plunge into Saturn's atmosphere, and the probe has a busy week ahead.
NASA's Kennedy Space Center Braces for Hurricane Irma
NASA's Kennedy Space Center (KSC) is bracing for the arrival of Hurricane Irma, a Category 5 storm that is expected to make landfall in southern Florida over the weekend.
How to See the Sunspot That Fired Off a Monster Solar Flare
The sunspot that is likely responsible for a monster solar flare that exploded into space yesterday is visible to skywatchers with a pair of solar-viewing glasses.
What's Powering Auroras on Jupiter? NASA's Juno Probe Finds Puzzling Clues
What's powering the powerful auroras at Jupiter's poles? New results suggest it's not the same mechanism powering the most energetic auroras on Earth, contrary to scientists' expectations.
Why Did A Meteor Shower Seem to Vanish for Decades? Scientists May Finally Know Why
The fate of a meteor shower that seemed to disappear after the 1950s may have been uncovered by group of Japanese scientists.
'Potentially Catastrophic' Hurricane Irma Approaches Caribbean in Satellite Views
Many Earth-observing satellites are keeping their eyes on Hurricane Irma as islands in the Caribbean brace for the storm's arrival.
Celebrate Voyager Probes' 40th Anniversary with Scientist Stories, Free Posters
To celebrate 40 years since the launch of NASA's Voyager probes, get your own free posters and hear stories from people who worked on the mission.
A Miniature Lunar Sky Crane Could Help Solve the Mystery of the Moon's 'Tattoos'
A novel mission concept from NASA would lower a small satellite toward the surface of the moon on a 112-mile-long tether.
NASA Juno Probe Makes 7th Close Flyby of Jupiter
NASA's Juno mission at Jupiter began its seventh science flyby of the Jovian giant at 5:49 p.m. EDT (2149 GMT).
TRAPPIST-1 Planets May Still Be Wet Enough for Life, Despite Losing Many Oceans
The Earth-sized planets in the TRAPPIST-1 system could still harbor large amounts of water, despite large losses from UV radiation, a new study shows.
Dream Chaser Captive Carry Test in Pictures
Sierra Nevada Corporation's uncrewed space plane, Dream Chaser, completed a successful captive carry test on Aug. 30, 2017.
Harvey Storms into Louisiana, and NASA Snaps Images from Space
NASA satellites continue to track the path of Tropical Storm Harvey, which made landfall in Louisiana this morning (Aug. 30).
No End to Saturn's Mysteries in Cassini's Closing Days
Scientists are preparing for a bountiful harvest of science data when the Cassini probe makes its final death plunge into Saturn's atmosphere.
As Flooding from Harvey Intensifies, Astronauts Tweet Well Wishes to Houston
Astronauts currently on the International Space Station have been sending well wishes to their colleagues on the ground as heavy rainfall and flooding from tropical storm Harvey continue.
Flooding from Harvey Closes NASA Center in Houston, but Space Station Operations Continue
Mission Control remains operational at NASA's Johnson Space Center, which is now closed to all but mission-critical staff because of dangerous weather conditions caused by Hurricane Harvey.
