The idea uses a "starshade" to let astronomers find Earth-like exoplanets, even with existing ground-based telescopes.

A rock measuring 900 meters is on a journey through our solar system, providing what is arguably one of the strongest pieces ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

For centuries, astronomers faced the challenge of classifying objects in space based on their appearance. When observing an ...

A study led by the University of Oxford has identified a new type of planet beyond our solar system—one that stores large amounts of sulfur deep within a permanent ocean of magma. The findings have ...

Discover the best springtime escapes in Pennsylvania with day trips full of nature, culture, and unforgettable sights.

What can small exoplanets blasted by solar radiation teach scientists about planetary evolution? This is what a recent study published in Nature Astronomy | Space ...

Twice a year, the Sun seems to “hit the reset button” on Earth’s daylight. For a brief moment, the line between day and night looks almos ...

Discovered in the Pictor II dwarf galaxy, star PicII-503 has an extreme deficiency in iron—less than 1/40,000th of the sun. This signature makes it the clearest example of a star within a primordial ...

In practice, however, the perplexing difficulties created by the Disciplines far outweigh any pedagogical benefit.

War Machine imagines a machine arriving from space. Real astronomy has detected interstellar visitors like ʻOumuamua, 2I/Borisov and 3I/ATLAS.

It's Friday evening. You have two days to fill, no budget to speak of, and kids who will be awake by 7 a.m. asking what ...