Calla Cofield joined Space.com's crew in October 2014. She enjoys writing about black holes, exploding stars, ripples in space-time, science in comic books, and all the mysteries of the cosmos. Prior to joining Space.com Calla worked as a freelance writer, with her work appearing in APS News, Symmetry magazine, Scientific American, Nature News, Physics World, and others. From 2010 to 2014 she was a producer for The Physics Central Podcast. Previously, Calla worked at the American Museum of Natural History in New York City (hands down the best office building ever) and SLAC National Accelerator Laboratory in California. Calla studied physics at the University of Massachusetts, Amherst and is originally from Sandy, Utah. In 2018, Calla left Space.com to join NASA's Jet Propulsion Laboratory media team where she oversees astronomy, physics, exoplanets and the Cold Atom Lab mission. She has been underground at three of the largest particle accelerators in the world and would really like to know what the heck dark matter is. Contact Calla via: E-Mail – Twitter
Latest articles by Calla Cofield

By Calla Cofield Published
A new high-resolution image of Saturn's moon Epimetheus' reveals a long history of meteor collisions.

By Calla Cofield Published
A new extended trailer for the upcoming disaster-flick "Geostorm" portrays a future in which humans alter the weather, something real-world scientists have tried to do.

By Calla Cofield Published
A SpaceX Falcon 9 rocket successfully sent the Intelsat 35e satellite into orbit today (July 5) in the company's third launch in the last 12 days.

By Calla Cofield Published

By Calla Cofield Published
In what appears to be a historic first, a chicken sandwich was successfully carried to the edge of space today aboard a high-altitude balloon.

By Calla Cofield Published
A Kentucky Fried Chicken sandwich is now scheduled to travel into the stratosphere on Thursday (June 29) aboard one of World View Enterprise's Stratollite high-altitude balloon systems.

By Calla Cofield Published
This Sunday (July 2), SpaceX is scheduled to launch its third Falcon 9 rocket in just under 10 days, following launches on June 23 and 25.

By Calla Cofield Published
SpaceX successfully launched a communications satellite into space using a pre-used first stage rocket booster. Check out these images from the launch.

By Calla Cofield Published
SpaceX is poised to launched 10 communications satellites into low-Earth orbit today (June 25), and you can watch it live here on Space.com.

By Calla Cofield Published
Here's where the staff of Space.com will be viewing the total solar eclipse on Aug. 21, 2017, and the reasons why we selected our individual viewing sites.

By Calla Cofield Published
A high-altitude balloon flight that would have carried a chicken sandwich to the edge of space has been delayed again, due to wind conditions on the ground.

By Calla Cofield Published
The launch of a World View stratospheric balloon carrying a KFC chicken Zinger sandwich to the edge of space has been delayed until Thursday (June 29) due to weather.

By Calla Cofield Published
A new promotional trailer for the mobile device game "Futurama: World of Tomorrow," features the voices of four science celebrities: Neil deGrasse Tyson, Bill Nye, Stephen Hawking and George Takei.

By Calla Cofield Published
On Wednesday (June 21) NASA will webcast two news briefings to discuss the science and logistics of the total solar eclipse that will cross the continental U.S. on Aug. 21.

By Calla Cofield Published
How much does the temperature drop during a total solar eclipse? It depends on season and location, but get ready for a sudden and noticeable chill.

By Calla Cofield Published
The team behind the New Horizons mission to Pluto recently pulled of a challenging observation of the spacecraft's next target, MU69, as the object eclipsed a distant star.

By Calla Cofield Published

By Calla Cofield Published
On Aug. 21, 2017 a total solar eclipse will cross the continental U.S. from coast to coast. While this is certainly a rare event, this is not the first or only coast-to-coast eclipse in the U.S.

By Calla Cofield Published
The black-hole-hunting NuSTAR mission turns 5 today (June 13), and the mission leader shared some of her favorite images that the probe has captured.

By Calla Cofield Published
A glittering jackpot of ultrabright galaxies bursting with star formation has been revealed in a series of stunning images taken by the Hubble Space Telescope.

By Calla Cofield Published
The "mini" full moon will be the subject of a live webcast tonight (June 8) from the Slooh online community observatory.

By Calla Cofield Published
Vice President Pence was on hand to greet NASA's newest class of astronauts, and briefly discuss the administration's vision for the human spaceflight.

By Calla Cofield Published
A phenomenon first predicted by Albert Einstein has been used for the first time to measure the mass of an individual star. The finding has helped settled a century-old dispute.
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