The European Space Agency's Solar Orbiter captured the first-ever images of the sun's south pole in March, which were ...

Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of ...

As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a ...

Solar Orbiter captures first-ever images of the Sun’s poles, offering insights into solar magnetism, atmospheric motion, and the solar wind.

Created as a tribute to dark matter pioneer Vera Rubin, the image was created with the aid of a vast array of telescopes.

Ideally, you want a sunscreen with a high SPF and a high star rating. These levels of protection assume sunscreen has been ...

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

A new material developed at Penn State defies a fundamental law of physics, opening doors to highly efficient solar cells.

When it comes to star formation, not all galaxies are the same. Some are quenched, meaning they've depleted their star ...

The clingy planet orbits so close to its star, it triggers powerful explosions of radiation that eat away at its atmosphere.

To get through the hottest days of summer, here's how to read the UV index so you know when the sun is most dangerous.