On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

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

Like its mythological namesake, the Phoenix Cluster burns with blisteringly hot gas, which cools to birth stars. The James ...

NASA released full color James Webb Space Telescope images of the Carina Nebula, exoplanet WASP-96 b, Southern Ring Nebula, Stephan’s Quintet and SMACS 0723. Here's a preview of the 5 targets from ...

How prepared are we to deflect an asteroid heading towards Earth? This question is answered by two studies just published in ...

Though Artemis was conceived in President Donald Trump’s first term, he has openly mused about bypassing the Moon and heading ...

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

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

This image was captured in 1995 by the the Hubble Space Telescope. The pillars are each ... the development of the California-based company's first space station, Haven-1. Pictured above, the ...

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 Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer (SPHEREx) is scheduled to launch after February 27, 2025 ...

Two studies published in Nature Communications analyze the impact of the DART mission on Dimorphos, revealing new strategies to improve asteroid deflection effectiveness through the study of ejecta.