For decades, scientists have tried in vain to accurately predict solar flares—intense bursts of light on the sun that can ...

Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...

New observational data from the James Webb Space Telescope and simulation models have confirmed a new type of planet unlike ...

Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If ...

They are stored in the Oort cloud, a huge, diffuse sphere of cometary nuclei in the far reaches of the solar system. Close to the sun, yet still beyond Neptune, circle what may well be their ...

NASA's record-setting spacecraft was just 3.8 million miles from the sun's surface—the closest any human-made object has ever ...

In a new study my colleagues and I published in December 2024, we discovered two classes of these elusive dark comets The solar system is teaming with small bodies such as comets and asteroids.

Southwest Research Institute’s Dr. Lisa Upton has received the 2025 Karen Harvey Prize from the American Astronomical Society ...

Narrator: Serious scientists, like myself, believe our solar system was formed by the collapse of a giant cloud of gas and rock and is held together by the gravitational pull of the Sun.