Shannon Hall is an award-winning freelance science journalist, who specializes in writing about astronomy, geology and the environment. Her work has appeared in The New York Times, Scientific American, National Geographic, Nature, Quanta and elsewhere. A constant nomad, she has lived in a Buddhist temple in Thailand, slept under the stars in the Sahara and reported several stories aboard an icebreaker near the North Pole.
Astronomers are beginning to find strong links between dark matter and primordial black holes, bringing this tantalizing possibility into the realm of a viable hypothesis.
An early galaxy has been transformed into an almost perfect circle, thanks to the twisting and bending of light by gravity.
With its dense atmosphere, Saturn’s largest moon, Titan, is a world overflowing with secrets — but new composite images could reveal some of the hidden features of this still-mysterious moon.
NASA’s New Horizons spacecraft has spotted evidence that liquids might have once flowed across the planet that stole everyone’s heart.
A team of researchers will launch a well-studied fungus into space with the hope that it will produce new molecules to aid in novel medicines for astronauts as well as patients on the ground.
A new NASA animation shows how a total eclipse of the sun will darken skies over parts of Southeast Asia on Wednesday (March 9) local time (Tuesday, March 8, EST).
Members of the LIGO collaboration testified before Congress today, discussing the discovery's wide-reaching benefits.
Meteorite hunters in Florida have found six space rocks associated with a rare daytime fireball that streaked through the Sunshine State's skies on Jan. 24.
A theoretical five-dimensional black hole shatters Einstein's theory of general relativity.
It's looking less likely that a faraway star's strange dimming can be explained by a swarm of comets or an "alien megastructure."
A NASA observatory has zoomed in on the Andromeda galaxy with X-ray vision and spotted 40 black holes or neutron stars gobbling down gas from stellar companions.
Astronomers have spotted a dead star polluted with heavy elements, suggesting that the star recently chowed down on a water-laced asteroid.
Scientists at space agencies across the world are using satellite images and other technologies to aid those affected by Nepal's earthquake.
The century-old outburst from a classical nova is still going strong and surprising astronomers with its steady temperature.
A young star in Orion's dusty nebula roughly 1,400 light-years away has erupted after munching down gas and dust.
An interview with photographer Michael Soluri, who chronicled the leadup to the last servicing mission to the Hubble Space Telescope.
Photographer Michael Soruri captures Hubble’s last servicing mission in his new book, “Infinite Worlds.” Here’s a sneak peak.
Astronomers have spotted the powerful magnetic field of a supermassive black hole located across the observable universe.