When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

About 4. 6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity.

The annual creep of the king tide could keep coastal streets wet through Oct. 10, even as the month's full harvest moon ...

For nearly twenty years, satellites have quietly gauged the flow of sunlight and heat through the Earth’s atmosphere. Today, ...

Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of ...

Four proposed sun-gazing spacecraft, working together, could help speed up space weather warnings by 40%, a new study ...

Researchers discover hidden solar tornadoes that can disrupt Earth's systems - revealing why current space weather warnings ...

Comets SWAN and Lemmon will both swing by Earth and appear bright in the sky near the end of October. Here’s how to see them.

In recent years, NASA's Parker Solar Probe has given us a close-up look at the sun. Among the probe's revelations was the ...

The Sun has a weather pattern of its own, and one of the strangest is the solar rain that falls in its atmosphere during ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.

Though it won't become any brighter, Comet SWAN will reach its closest point to Earth on Oct. 20, coming within 24 million ...