Astronomers have discovered more than 300 exoplanetary systems that have three or more known planets. Most of these planets are about the same size and spaced close together, earning them the ...

If you're in the market for top astronomy gear, the best stargazing apps will help you, but you might also want to check out our pages for the best telescopes, best telescopes for deep space and ...

CHICAGO - While meteorological spring began on March 1, the start of astronomical spring depends on Earth’s position relative to the sun. This year, spring officially begins on March 20 at 4:01 ...

The first day of spring represents the vernal equinox in the Northern Hemisphere, an astronomical event that occurs when the sun aligns with the Earth's equator. On the contrary, in the Southern ...

But the rising number can be a problem for scientists because the satellites interfere with ground-based astronomical observations, by creating bright streaks on images and electromagnetic ...

Astronomers have confirmed the existence of four small planets around Barnard’s Star, one of Earth’s nearest and perhaps most notorious neighboring stars. The new discoveries verify a study ...

Names of astronomical objects are governed by the International Astronomical Union (IAU). Originally, all moons in the Solar System were given names from Greco-Roman mythology. But the large ...

With that idea in mind, as a historian of science, my best answer to the question of what the first scientists discovered is Babylonian astronomy. The Babylonians lived from about 2,500 to 4,000 ...

A deep dive into the star-forming Flame Nebula by the James Webb Space Telescope has revealed free-floating, Jupiter-size objects that could help answer that key question in astronomy.

Some of these massive stones reach heights of 5 to 6 meters and are unique due to their sheer scale, alignment in rows, and possible astronomical significance. Historians believe this is the only ...