On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...
From the iconic 'one small step', to the spectacular 'Earthrise', check out these 10 stunning Moon photos shared by NASA.
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn how the imagery is processed into amazing color views of the cosmos. Credit ...
NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, ...
Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...
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.
The space telescope Gaia has created the largest three-dimensional map of the Milky Way ever. On January 15, 2025, Gaia shut ...
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 ...
Space scientists within NASA and outside it feel betrayed by the Trump administration’s changes at the agency, which was ...