This is perhaps best encapsulated in a Walt Whitman poem titled “When I Heard the Learn’d Astronomer.” The narrator describes ...
For a century, exoplanet hunters have “discovered” planets around a nearby star, only to retract the claims. But the latest ...
Asteroids hiding in the Sun’s glare, some large enough to destroy cities, pose a hidden threat. New infrared telescopes aim ...
As Congress investigates extraordinary claims that alien spacecraft have invaded American skies, a onetime NASA leader says ...
Adam Beardsley of Winona State University recently received a $500,000 grant to design an observatory to studio radio waves ...
Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...
Engaging articles, breathtaking images and expert knowledge ...
A team of astronomers has identified a double gravitational lens system with an extraordinary “zig-zag” light path, rewriting ...
NASA's Roman Space Telescope has received its Optical Telescope Assembly, paving the way for its mission to explore the ...
A mini moon that will bid farewell to Earth soon may in fact be a small hunk of the big moon — the one that has loomed far ...
Black holes don’t have many identifying features. They come in one colour (black) and one shape (spherical). The main difference between black holes is mass: some weigh about as much as a star like ...
New observations suggest that the universe’s oldest galaxies are brighter than expected. Here's why this may be a big deal.