Two faint objects hiding in archival infrared sky maps now sit at the center of a growing scientific argument about whether a ...

A pair of giant planets circling a star more than 1,100 light-years from Earth looks almost too bloated to be real. Each ...

For the first time, NASA's TESS (Transiting Exoplanet Survey Satellite) mission has identified a planet orbiting a distant star thanks to its warping of space-time. Unlike the star-hugging transiting ...

Recent research suggests that giant planets may form around supermassive black holes, challenging traditional views that associate black holes with destruction.

How is this possible? What wizardry enables a striker to change the ball’s trajectory after it leaves their foot? It’s not magic, it’s fluid dynamics, the behavior of objects in a fluid—and air is ...

Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant Kuiper Belt objects have fueled the Planet Nine theory, but recent ...

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

Forecasters expect a coronal mass ejection and a powerful X-class solar flare could impact the Earth starting on Thursday.

In this version of alternate history, Columbus set sail on his epic voyage to the Americas to prove to the world that the ...

CLEVELAND, Ohio —“Supergirl” flies into theaters this week, a mere 42 years after the last and only other time Kara Zor-El ...

In 2024, researchers realized that the Neil Gehrels Swift Observatory was falling from its orbit faster than expected. Now, a robotic spacecraft called LINK aims to give the satellite a boost ...

Humanity is already filling the space around our planet with machines. Around Earth, thousands of satellites are currently ...