On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...
Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...
NASA's Hubble Space Telescope has discovered a tidal disruption event 300 million light years away. The donut shaped remains of a star were found around a hungry black hole. Credit: NASA's Goddard Spa ...
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...
A star racing through the Milky Way may have a planet in tow, setting a new speed record for exoplanet systems. Using microlensing, astronomers spotted the pair moving at over 1.2 million mph.
NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, ...
The flash was spotted by the Einstein Probe’s Wide-field X-ray Telescope (WXT), which uses a novel type of design known as a ...
The space telescope Gaia has created the largest three-dimensional map of the Milky Way ever. On January 15, 2025, Gaia shut ...
Space scientists within NASA and outside it feel betrayed by the Trump administration’s changes at the agency, which was ...
It turns out that one of the most prominent space artists predicted how a strange celestial object would look — 50 years in ...
A technique called sonification allows new discoveries, brings out subtleties in dense data, and makes astronomy more accessible.