Planetary alignments occur when multiple planets from our solar system appear together in the night sky. There are four major ...

"I don't see an inner solar system in which we don't significantly develop the moon if you're going to go anywhere." ...

Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

A new study, however, identifies a possible candidate. A separate team of astronomers compared 1983 data from the Infrared ...

"How planets are born is an unsolved area of research," astrophysicist Daniel Price of Australia's Monash University told ...

These images feature zodiacal light — the faint, diffuse glow created by sunlight scattering off dust particles in orbit.

A serendipitous solar outburst let scientists point the robot’s cameras toward the Red Planet’s sky to spot a feature shared with our Blue Marble.

Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive black holes, or 'hot Jupiters,' astronomers can spend months or years ...

Republicans in the US House of Representatives have set out budget proposals that would phase out clean energy tax credits, slash spending on electric vehicles and renewable energy ...