About 4.4 million years ago, two blue stars passed just 30–35 light years from our solar system, leaving traces in nearby gas and dust and influencing the local cosmic environment, according to ...

A new NASA spacecraft called Pandora is awaiting launch ahead of its journey to study the atmospheres of exoplanets, or ...

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

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it ...

The University of Wyoming Harry C. Vaughan Planetarium will offer a varied plethora of programming to start off the new year.

I/ATLAS is old news; NASA's discovery of the mysterious starless object Cloud 9 is rewriting cosmic theory. Here is what ...

A new astronomical survey has brought scientists closer to identifying nearby stars that could host Earth-like planets ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have captured what may be the biggest planet-forming disk ...

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

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...

Interstellar comet 3I/ATLAS is reshaping planetary defence, with its unusual "anti-tail" and unexplained non-gravitational ...