The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Proba-3 is creating artificial solar eclipses in space, giving scientists a steady new way to study the Sun’s inner corona ...

Humans have long imagined life on Mars, but what if the red planet actually delivered life to Earth in the first place?

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

Explains how Earths day length could extend to 25 hours over hundreds of millions of years due to lunar tides, and how this ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...

The post The Best Estimates For The Age Of Our Solar System Is About 4.55 Billion Years, But The Measurement Method Is Difficult And Imprecise first on TwistedSifter.

Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery ...

It's only the third object in history from outside our solar system to be discovered cruising through our area of space.

Scientists later confirmed the rock was not earthly treasure at all, but a 4.6-billion-year-old meteorite, formed during the ...