Originally published in June 1959
A decades-long dispute over how much carbon, nitrogen and oxygen lie within our closest star has implications for the entire universe
If confirmed, the controversial result could open new vistas on cosmic collisions
Existing in the “mass gap” dividing two classes of cosmic heavyweights, the object could be the most massive neutron star, the lightest known black hole—or something stranger...
About a third of Americans believe astrology is "very" or "sort of scientific." But does being a Pisces, Virgo rising really matter in the eyes of science?
The detection of particles produced in the sun’s core supports long-held theory about how our star is powered
One of the forces behind #BlackInAstro week shares her optimism for the future
The nation’s Micius satellite successfully established an ultrasecure link between two ground stations separated by more than 1,000 kilometers
Scientists used Venus to measure neutrons’ lifetime, offering hope for an answer to a decades-old mystery
It’s a long shot, but could at least some of these energy blasts from across the universe come from extraterrestrial civilizations?
The space agency’s plans for sustainable lunar outposts could hinge on finding—and using—what may be the moon’s most precious resource
The dwarf planet could be a more habitable world than scientists had thought
Did you ever gaze longingly at the stars and swear you'd be an astronaut when you grew up? Here's what it takes to qualify for the NASA astronaut program
A new test could determine whether large-scale cosmic structures have microscopic origins
NASA’s New Horizons mission measures the distances of two stars from the outer reaches of the Solar System
Physicists have made a Bose–Einstein condensate on the International Space Station—allowing them to probe the mysteries of quantum physics in detail
The first fast radio burst detected in our galaxy comes from a magnetized star, and could help to explain these cosmic enigmas
The blog’s author reflects as nine years of writing undergo an evolutionary change
The interstellar visitor ‘Oumuamua, discovered in 2017, may represent an entirely new type of astrophysical object, two astronomers say
An insider’s look at the history and sociology of modern cosmology