Latest articles by Calla Cofield
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).
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 NASA's Cassini spacecraft, which is now less than 48 hours away from its scheduled death dive into Saturn.
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.
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.
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.
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 (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.
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 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.
The fate of a meteor shower that seemed to disappear after the 1950s may have been uncovered by group of Japanese scientists.
Many Earth-observing satellites are keeping their eyes on Hurricane Irma as islands in the Caribbean brace for the storm's arrival.
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 novel mission concept from NASA would lower a small satellite toward the surface of the moon on a 112-mile-long tether.
NASA's Juno mission at Jupiter began its seventh science flyby of the Jovian giant at 5:49 p.m. EDT (2149 GMT).
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.
Sierra Nevada Corporation's uncrewed space plane, Dream Chaser, completed a successful captive carry test on Aug. 30, 2017.
NASA satellites continue to track the path of Tropical Storm Harvey, which made landfall in Louisiana this morning (Aug. 30).
Scientists are preparing for a bountiful harvest of science data when the Cassini probe makes its final death plunge into Saturn's atmosphere.
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.
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.
