Latest articles by Calla Cofield
Reference Pulsars are 'cosmic lighthouses' that when seen from Earth appear to be flickering stars, but actually consist of exotic stellar remnants called neutron stars.
Embrace your love of science fiction this summer. Here's how to celebrate "Star Trek," see sci-fi museum exhibits, or visit natural wonders that inspired great science fiction.
NASA visitor centers can make fantastic vacation stops for space fans. Here's a list of centers to visit and details about what to expect when you go.
Connect with the cosmos this summer. Here’s where to see a rocket launch, visit a space shuttle, go to space camp or do some live stargazing.
Filmmaker Darren Aronofsky and astronaut Chris Hadfield — two men with very different career paths — talked about their shared passion for the upcoming documentary show "One Strange Rock."
NASA is developing a spacesuit with a built-in toilet system, something the agency hasn't used regularly since the Apollo era.
Leaders of the American Astronomical Society have denounced the White House's proposed cancellation of NASA's next major space science mission, the Wide Field Infrared Survey Telescope (WFIRST).
A chunk of rock that was once part of Mars, but landed on Earth as a meteorite, will return to the Red Planet aboard a NASA rover set to launch in 2020.
A planet orbiting in the "habitable zone" of its parent star may host a critical ingredient for life as we know it. But what if the habitable zone is unstable? Can life still thrive there?
The White House budget proposal calls for the termination of the WFIRST mission. Here's how astrophysicists are reacting.
An exclusive video from National Geographic shows Elon Musk's surprised, joyful reaction to the successful first launch of a SpaceX Falcon Heavy rocket on Feb. 6.
Here are some of our favorite photos from the SpaceX Falcon Heavy launch today (Feb. 6).
Jeff Bezos tweeted well wishes at Elon Musk ahead of the Falcon Heavy's maiden flight — and Musk's response has the internet talking about a bromance between these two spaceflight entrepreneurs.
Skywatchers around the world took their cameras out to capture the total lunar eclipse of 2018. Here are some of our favorite snapshots.
An amateur astronomer appears to have made contact with the Imager for Magnetopause-to-Aurora Global Exploration (IMAGE) satellite, which lost contact with NASA in 2005.
A vinyl reprint of the Voyager Golden Record, which carried a greeting for extraterrestrials beyond the solar system, won a Grammy Award this past Sunday (Jan. 28).
Celebrate this week's Super Blue Blood Moon — which includes a total lunar eclipse — with some moony cocktails.
The ribbons of gas that wrap around Jupiter are on display in two stunning, high- resolution images from NASA's Juno probe.
SETI pioneer Jill Tarter thinks the "search for extraterrestrial intelligence" needs to undergo a rebranding.
"Cosmos" writer and creator Ann Druyan talks about the upcoming season and why everyone deserves to understand science.
Writer Ursula K. Le Guin, whose work spanned multiple genres including science fiction, fantasy, poetry and essays, died on Monday (Jan. 22) at the age of 88.
