Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous neighbors, possibly after much of the ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

An international research team announces the discovery of a new exoplanet orbiting a binary star system. Named HD 143811 b, ...

Who’s ready for a “planet parade”? The last planetary alignment was in August 2025, when six planets aligned and four were bright enough to be seen without a telescope. Next week, Mercury, Venus, ...

3I/ATLAS has highlighted the incredible versatility of the many craft humans have sent out into our solar system.

The Sun will die, and it’s going to be spectacular. In approximately five billion years, our star will exhaust the hydrogen ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

The catch: according to Space.com, four of those planets — Mercury, Venus, Saturn and Neptune — are very close to the Sun.

If executed at the scale, Musk's orbital data center plan could have devastating effects on the environment and the ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

The best minimal-light, unobstructed vantage points in New York City include the Hudson River Waterfront, the Brooklyn Heights Promenade, a high-floor rooftop and the Rockaways, according to Secret ...

A solar storm is a catchall term that describes any disturbance in the sun that involves the violent ejection of solar material into space. This can come in the form of coronal mass ejections, where ...