ITER project has entered a critical phase: the reactor core is assembled, and each weld will try to recreate solar fusion on Earth.

A clear look at the discovery of 40,000 near-Earth asteroids, how scientists track them, and the missions working to keep our ...

For a few days, it sounded like a scene from a disaster movie: a “piece” of the sun appeared to shear away from its surface and whirl around the north pole, leaving even seasoned solar physicists ...

Learn when fall begins with the autumnal equinox. Get upcoming dates, Harvest Moon info, and understand meteorological vs ...

When the Sun hurls a major storm toward us, the damage is not limited to pretty auroras and patchy radio. In the most extreme ...

The inner planets Mercury and Venus will both be visible in the east-southeast sky before sunrise on Tuesday, Nov. 25.

Mysterious interstellar object 3I/ATLAS could be passing by Jupiter to "seed" the planet with "technological devices." ...

One of the most ambitious missions currently underway is BepiColombo, a European-Japanese probe heading to Mercury.

Imagine a massive meteor crashing into Earth, but this one isn’t from our solar system. A new study, recently uploaded to the ...

The sun isn't always the gentle, life-giving star we see during peaceful sunrises and sunsets. Sometimes it awakens with ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

New modeling of the early solar system is reshaping the familiar story of how the Moon formed, suggesting that Earth and the ...