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
Why does DARPA want to build a reusable space plane? An agency representative explains what small satellites have to do with national defense.

By Calla Cofield Published
NASA's Dawn spacecraft has been granted a mission extension that will allow it to continue to study the dwarf planet Ceres until it runs out of fuel sometime in 2018.

By Calla Cofield Published
NASA is using information from Earth-observing satellites to assist in recovery efforts following a series of devastating wildfires in northern California.
By Calla Cofield Published
Subramanyan Chandrasekhar, the namesake of NASA's Chandra X-ray Observatory, is honored today (Oct. 19) in a Google Doodle. Chandrasekhar did revolutionary work on the life and death of stars.

By Calla Cofield Published
The era of multi-messenger astronomy has officially begun. But what does that phrase mean, and how will it change the study of the cosmos?

By Calla Cofield Published
Virgin Galactic founder Richard Branson most likely won't be going to space in the next six months, despite his recent public statement that he'd be "very disappointed" otherwise.

By Calla Cofield Published
What role will NASA play in getting humans to Mars, and when will the agency depend on participation from commercial companies? A top NASA official discusses the agency's plans.

By Calla Cofield Published
SpaceX successfully launched 10 communications satellites into low-Earth orbit today (Oct. 9) and landed the spent Falcon 9 rocket booster on a drone ship.

By Calla Cofield Published
College senior Steven Stetzler got to meet real NASA astronauts and consider a possible future working for NASA, thanks to a nonprofit organization founded by NASA's very first astronaut class.

By Calla Cofield Published

By Calla Cofield Published
There's a big gravitational-wave announcement coming later this month, but insiders won't reveal any details. Here are our educated guesses about what the collaboration will reveal.

By Calla Cofield Published

By Calla Cofield Published
A NASA/NOAA satellite captured images of Puerto Rico that reveal regions that are without power, due to Hurricane Maria. The images were then used to assist first responders on the island.

By Calla Cofield Published
The spaceflight company unveiled a tantalizing design for a reusable, single-stage surface lander called the Mars Ascent/Descent Vehicle (MADV).

By Calla Cofield Published
Artist Trevor Paglen and the Nevada Museum of Art want to launch the first-ever satellite with the sole purpose of existing as a work of art.

By Calla Cofield Published
The NASA Disasters Program is using data from Earth-observing satellites to assist relief efforts in Puerto Rico, which was devastated by Hurricane Maria last week.

By Calla Cofield Published

By Calla Cofield Published

By Calla Cofield Published

By Calla Cofield Published
It's the first day of autumn in the northern hemisphere, but the astronauts on the International Space Station wore summery Hawaiian shirts, and posed for some stylish photos.

By Calla Cofield Published
The Cassini mission at Saturn lasted more than twice as long as it was supposed to. What's the secret to its long life?

By Calla Cofield Published
The "Star Trek: Discovery" premiere brought together the cast and creators of the show, as well as some of the stars of past "Star Trek" series.

By Calla Cofield Published
The Arecibo Observatory in Puerto Rico will cease observations through Thursday (Sept. 21) and keep its visitor's center closed through Sept. 28, due to the impending arrival of Hurricane Maria.
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