Sunlight is not just light. It’s a spectrum. If you’ve ever seen a rainbow or passed sunlight through a prism, you’ve seen ...

What color is moonlight typically, and what other colors can moonlight look like from our perspective on Earth?

Around a Sun-like star just 1,300 light-years away, a family of planets has been seen in its earliest moments of conception.

Plenty of spacecraft and telescopes have throughout the years been able to observe the sun up close – with plenty more missions on the way. In late-December 2024, NASA's Parker Solar Probe got closer ...

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

The UV Index provides a measure of the sun's ultraviolet radiation, a short wavelength of light invisible to humans, that can cause sunburns. Sunburns are a factor that can lead to deadly health ...

In October of 1957, the USSR launched the world's first artificial satellite into orbit around Earth. Today, we're combining ...

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

Scientists build a "metagrating" filter that selects light by both wavelength and angle—unlocking next-gen AR, sensors, and ...

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

The European Space Agency's Solar Orbiter, which launched in 2020 from Cape Canaveral, captured the first-ever images of the sun's south pole.

This image shows dust and gas being sculpted by a star roughly 30 times as massive as the sun. Different colors in the image represent four different wavelengths of light observed by Hubble’s ...