April’s planetary parade has fewer planets. Only four will line up: Venus, Saturn, Mercury and Neptune. April's parade of ...

Skywatchers worldwide are in for a charming cosmic display before the sun rises next week as three celestial bodies will ...

Gravity pulls us to earth, a lesson you learn viscerally the first time you fall. Isaac Newton described gravity as a ...

A n intriguing new study suggests that the universe may rotate once every 500 billion years. If correct, the authors believe that it could explain one of the most annoying puzzles in astronomic ...

Despite decades of searching for this signal, astronomers have yet to find it. The problem is that our Earth is too noisy, making it nearly impossible to capture this whisper. The solution is to go to ...

BEIJING -- China has successfully established the world's first three-satellite constellation based on the Distant Retrograde ...

A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d is ...

For decades, scientists have wondered how the moon can have water. It’s dry, airless, and lacks an atmosphere, so the ...

The company now plans to extend into on-orbit servicing and refueling missions, end-of-mission disposal, and cross-orbit ...

Young tegus are emerald green with black markings and a tail that has yellow and black bands. Over several months and after ...

Scientists have hypothesized since the 1960s that the sun is a source of ingredients that form water on the moon. When a ...