New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

In May 2024, an epic solar storm rattled Earth so powerfully that its effects were felt even at the bottom of the ocean.

Samples from asteroid Bennu have delivered insights into the origins of Earth’s water and the organic molecules that may have ...

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

(The last time all seven planets aligned was on April 8, 2024, during the total solar eclipse). Aug. 29, 2025: Six planets – ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

If you draw a line through the barycenter to connect ... of the orbit and determine its perihelion as well." All solar system planets have fairly circular orbits with relatively minuscule ...

Researchers have pioneered an innovative method using helioseismology to measure the solar ... planets. What's more, these results have resonances in nuclear fusion, as the Sun remains the only stable ...

For a few brief evenings around February 28, every planet in our solar system will be visible at once, with Mercury making a cameo in the planetary parade which is running all this month and next.

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you identify them.

So you can see every planet in our solar system over the next month ... with Saturn just below it. Draw a line between the two planets, then follow that line upwards to find Jupiter high overhead.