Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...

NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

An Egyptian-British archaeological mission has found the tomb of King Thutmose II, who ruled ancient Egypt about 3,500 years ...

A technique called sonification allows new discoveries, brings out subtleties in dense data, and makes astronomy more accessible.

PeV — has been detected by the underwater KM3NeT telescope, marking a pivotal moment in astrophysics. This tiny but powerful ...

But it is a rare class of star that NASA's Hubble Space Telescope explored by looking deeply into the open star ... Jan. 10, 2025 — Radiation testing suggests that solar cells made from carbon ...

Feb. 18, 2025 — Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair. The discovery opens a new way to explore how massive stars interact and evolve ...