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

On December 25, 2021, the largest and most powerful space telescope, the James Webb Space Telescope, was launched into space ...

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

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

The space telescope Gaia has created the largest three-dimensional map of the Milky Way ever. On January 15, 2025, Gaia shut ...

Hubble’s latest image of the Tarantula Nebula highlights cosmic dust, interstellar gas, and active star formation.

The Bubble Nebula (NGC 7635), located 8,000 light-years away, is showcased in a stunning Hubble image released for its 26th anniversary. This infrared image unveils the nebula's inner regions, cutting ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

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 ...

Definition: Hubble Space Telescope (HST) is a space telescope named after renowned astronomer Edwin Hubble. It was launched in 1990 and is one of the great observatories of NASA. Description: Hubble ...

Scientists have detected the most energetic neutrino ever observed using a deep-sea telescope. The discovery could provide ...

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.