Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

If astronauts could slow their metabolic rate drastically, they could potentially “sleep” through long voyages between the ...

The annual event celebrates the discovery of the little planet with a big heart and other scientific advances at Flagstaff, ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

With excellent optics and a fully internal zoom design, this lens is well-suited for lunar and solar photography.

Acting NASA Administrator Janet Petro says the Department of Government Efficiency will review the space agency’s payments.

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

The potentially hazardous asteroid Bennu probably won't hit Earth. But this study shows the damage a space rock of its size ...

It turns out that one of the most prominent space artists predicted how a strange celestial object would look — 50 years in ...

NASA’s Cassini spacecraft, which orbited Saturn from 2004 to 2017, took many dramatic images of the rings’ shadows on Saturn.

A technique called sonification allows new discoveries, brings out subtleties in dense data, and makes astronomy more accessible.

Chile is home to SOME of the world’s best skies — and some of the world’s most advanced instruments to observe them. From the radio telescope array charting complex chemistry in Titan’s ...