A mysterious object the size of Galway could be a hostile alien spacecraft and may attack Earth in November, according to a ...

The transforming exoplanet that was observed by the WIYN 3.5-meter telescope at the U.S. National Science Foundation Kitt ...

Experts confirmed the discovery of a rare interstellar visitor—only the third ever detected—hurtling through our Solar System ...

NASA's Solar Dynamics Observatory captured a rare solar eclipse on July 25, 2025, during which 62% of the sun was blocked by ...

An icy object in perfect sync with Neptune reveals new details about planetary migration and unseen bodies far beyond the Kuiper Belt.

A hidden companion star of Betelgeuse, long suspected by Hungarian astronomers, has finally been observed directly, ...

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Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar ...

The findings confirm a long-standing theory first proposed in the early 1900s. More importantly, it sheds new light on how ...

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

Following Saturn is Venus, rising in New York at 2:51 a.m. on July 25. Venus is in Taurus, and so bright that it is ...

For decades the reddish glow of Betelgeuse has puzzled astronomers, but researchers believe they have now found the reason ...