On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius. [‘On This Day in Space’ Video Series on Space.com] The Andromeda ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Using the James Webb Space Telescope (JWST), an international team of astronomers has observed an elliptical galaxy known as NGC 4486B. Results of the observational campaign, published Dec. 16 on the ...

Observations of the galaxy carried out by the Hubble Space Telescope confirmed the presence of two nuclei separated by a ...

Gas cloud collisions during galaxy mergers compress interstellar material, triggering new star formation, as observed in interacting systems studied by NASA and reported by Universe Today.

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

Astronomers have created a detailed forecast of where they expect to observe future stellar explosions in a nearby galaxy, ...

On record 2025 as one of the most amazing years in contemporary astronomy, providing findings that would turn our collective ...

March 25: “Hurrah, and vote for suffrage! Don’t keep them in doubt.” —Febb Burn, a 47-year-old widow, in a letter to her son, ...

The Hubble Space Telescope observed the debris belt and dust clouds around the star Fomalhaut, which was blotted out to allow the fainter features around it to be seen. Credit: NASA / ESA / Paul Kalas ...

Two asteroid-sized objects orbiting a famous star have collided, Hubble Space Telescope images suggest. The collision provides a rare look at a young star at a time when planets have already formed ...