Subtle variations in the star’s brightness suggest it once collided and merged with another star, an explosive event that ...

Astronomer Fritz Zwicky first proposed dark matter in a 1933 paper describing the Coma Cluster, a collection of ...

Stars usually form in clusters, which can also form in pairs or groups. Binary clusters (BCs) are defined as pairs of open ...

Using the Large Phased Array (LPA) and the Five-hundred-meter Aperture Spherical radio Telescope (FAST), astronomers from ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

Is the interstellar comet 3I/ATLAS spinning? That is the question currently dominating online astronomy circles, fueled by ...

The “Seven Sisters” have far more relatives than anyone imagined. Using NASA and ESA space telescopes, astronomers found ...

Two new peer-reviewed papers claim thousands of unexplained light flashes in vintage Palomar telescope images show ...

Astronomer Gemma Lavender thought this telescope was great for beginners and astrophotographers, and now it's $500 this Black ...

UCLA astronomers report the discovery of a remarkable star that orbits the enormous black hole at the center of the Milky Way Galaxy in a blistering 11.5 years — the shortest known orbit of any star ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. For decades, astronomers have wondered what the very ...