Albert Einstein's theory of general relativity has been remarkably successful in describing the gravity of stars and planets, but it doesn’t seem to apply perfectly on all scales.
Reference A rare solar eclipse called a hybrid solar eclipse will occur on April 20, 2023. We explore what creates these strange eclipses and how you can see one for yourself.
Several prominent astronomers, scientists and at least one astronaut have announced their exit from Twitter following Elon Musk's takeover. Will more follow?
The House Subcommittee on Space and Aeronautics recently enjoyed the exceptional success of NASA's largest space telescope — a bright spot in American politics.
A British astronomer who went missing while visiting the European Southern Observatory's La Silla site in Chile was found dead after nearly two months of searching.
A meteorite that lit up the sky above an English village last year is almost as pristine as samples collected by space probes and contains the "right" kind of hydrogen to explain water on Earth.
SpaceX's loss of 40 Starlink satellites in February was preceded by the company using an inaccurate space weather forecasting model to decide to launch following a geomagnetic storm warning.
Reference Answering the question "how far is the moon from Earth?", can change depending on when you ask it. The average distance between Earth and the moon is about 238,855 miles (384,400 kilometers).
Reference Albert Einstein profoundly changed physics and ideas about space and time. Learn more about his life, theories and scientific impact.
The mysterious Antikythera mechanism, thought by some to be the world's first computer, was first "started up" on Dec. 22, 178 B.C., archaeologists have now found.
Whether neutron stars have soft or hard cores and shells, like different types of cosmic chocolates, may depend on if they are heavy or light, new research indicates.
Reference Explore the eight (or nine) planets of the solar system in order from nearest to the sun and discover the many wonders of our solar system along the way.
Reference The Big Bang Theory explains how the universe began with an infinitely hot and dense single point that inflated to form the ever-expanding cosmos we see today.
The collapse of the world's most powerful radio and radar telescope didn't kill off science at the Arecibo Observatory, but the National Science Foundation might.
A United Nations report warns of imperiled glaciers at iconic World Heritage sites — but climate action could save most of them.
A new image captured by the Hubble Space Telescope shows a molecular cloud of gas and dust that harbors a compact object that will soon become an infant star.
Despite having radically different atmospheres, Mars and Earth seem to have similar cloud patterns, hinting that the features may form in much the same way.
NASA's chief scientist said the Artemis 1 launch of Wednesday (Nov. 16) will swiftly change science across the solar system, with studies in radiation and sustainability also helping Earthlings.