Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

Quasars — the brightest objects in the universe — are powered by supermassive black holes at the heart of early galaxies.

Celebrating America's 250th birthday, Space.com looks back at what our understanding of space was like in 1776 and what major ...

The planet should not have survived the star's red giant phase—which sees a star balloon to more than 100 times its original ...

Los Angeles this week approved the $2 billion Fourth & Central project after years of planning and community negotiations.

It’s sometimes easy to overlook the fact that the International Space Station (ISS) is a giant lab where scientists study ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

15 Minutes of ACTUALLY Unbelievable Space Facts ...

Unsubsidized utility-scale solar is now generally cheaper than building fossil fuel power plants. Costs are often compared using “levelized cost of energy,” the average lifetime cost to build and run ...

Space is vast, and filled with weird and wonderful things, including amazing facts about it. Some of the bizarre inhabitants and phenomena of our Universe are more astounding than even the most ...

The Frontier checked the accuracy of the candidates’ comments on reading proficiency, school staffing and other educational issues. Democratic state superintendent candidates Jennettie Marshall, ...