This is the provocative question at the heart of an emerging astronomical debate, wherein the discovery of rogue planets-worlds free-floating in the galaxy-appears to challenge definitions of ...

Across astronomy and astrobiology, a quiet but profound shift is underway. Instead of assuming the galaxy teems with ...

While surveying distant worlds beyond our solar system, researchers unexpectedly obtained the first direct images showing ...

Winds exceeding 110 mph that tore across the top of Mount Hamilton early Christmas morning blasted a massive steel protective ...

On Jan. 6, when Saturn passes closest to the south-southeast of 20 Psc, it is equidistant from 20 and 24 Psc, 0.9° from each.

Knowable Magazine reports 2025 faced turmoil in U.S. science amid job cuts and budget slashes, yet saw advances in gene ...

JAKARTA: After years of closure, the Jakarta Planetarium and Observatory has reopened to massive crowds, with thousands of visitors eager to experience immersive views of celestial objects projected ...

Stargazers should get the best view of this month's peak lunar display shortly after sundown, weather permitting.

The recently inaugurated facility is positioned to foster scientific learning, responsible tourism, and local job creation ...

In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth ...

For the past 12 years semi-retired Chris Vaughan has been circulating a summary of celestial happenings on Sunday afternoons ...

A new study questions dark energy's role in the universe's acceleration, suggesting it may be weakening instead.