Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

The 24 solar terms, originating in ancient China, integrate astronomy, farming, phenology and folklore. They greatly ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star -- one of our closest stellar neighbours ...

Everything you could want to know about our home planet, Earth. When it comes to astronomical subjects for videos, I don't ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long ...

The solar system moved through a star-forming area near Orion. This event might have increased interstellar dust around Earth ...

As the agency's SPHEREx space telescope and PUNCH solar mission rode toward their orbital stations tonight (March 11) at ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

Primordial helium from the beginning of the solar system may be stuck inside Earth's solid core, new research suggests. The findings could have implications for a long-standing debate about how ...

Light gases like helium hung around in the gas-and-dust nebula that formed the solar system for only a few million years. "It's very much debated how long it took the Earth to form," Olson said.