All light is made up of waves of electromagnetic radiation. A spectroscope spreads each different wavelength to a different position within a spectrum of light. Music is digitally recorded as circular ...

On Jan. 4, Earth received its maximum radiation from the sun, which was at its largest in the sky for 2025. The difference isn't huge — the sun today appears to be a mere arcminute (1/60th of a degree ...

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

The first ever recorded 'planet with a death wish' orbits so close to its host star that it triggers huge flares of radiation ...

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

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

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

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

Among the latest trending videos on expensive skin care regimens, a wave of misinformation about sunscreen effectiveness has ...

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

Imagine waking up one morning to find not just one, but two or even three blazing suns rising over the horizon. Would our ...