In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Venus sits just one step closer to the Sun than Earth, making it our nearest planetary neighbor. At certain points in its ...

As America marks its 250th anniversary, President Trump's actions have drawn comparisons to monarchy, with critics pointing to his use of power to enrich himself and target political opponents. His ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

The US Air Force pilot whose F-15E Strike Eagle was shot down by Iran in April was knocked out of the sky by friendly fire in ...

"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

A company that heavily lobbied President Trump is part of the lucrative business of constructing the new steel wall along the border in Arizona. An up-close look at the 30-foot-tall, rust-colored ...

Arizona is honoring the 19 beloved Granite Mountain Hotshots as Tuesday marks the 13th anniversary of the Yarnell Hill Fire. The Supreme Court will take up a Republican bid to enforce stricter Arizona ...

The main focus of the trip is to study the effects of long-term spaceflight on the body, but the test is also a side mission.