It isn’t easy to figure out how the Earth was built, because it happened 4½ billion years ago, and no one was there to watch. So scientists have had to look at what the Earth looks like now and at all ...

Astronomers using NASA’s James Webb Space Telescope have made an exciting discovery: frozen water, also known as crystalline ...

A glass bead retrieved by China's Chang'e-5 lunar mission is offering a glimpse into the moon's hidden interior and violent past. Witness live views of Earth from the International Space Station as it ...

NASA's PUNCH mission, a tiny constellation of four satellites, captured a photo of the moon drifting across the sky through a ...

A solar radiation storm struck Earth 14,300 years ago, showering the planet with high-energy particles and leaving a spike in radiocarbon.

Where does the Sun end and the Solar System begin? The answer is not clear-cut. The Sun’s atmosphere – the corona – extends ...

Researchers say crystalline water ice has been clearly found. It lies inside a dusty debris ring around a star 155 ...

A colossal solar filament over twice the distance between Earth and the moon erupted from the Sun's northern hemisphere ...

Water ice is a crucial building block of planetary systems. We've found plenty of it in our own Solar System, in places like ...

Scientists have discovered evidence of an extraordinarily powerful solar storm that bombarded Earth 14,300 years ago, at the ...

Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...