Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

Finding Earth’s exact position in the galaxy took centuries of observation and innovation. This story follows astronomers as ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

A solar storm is a catchall term that describes any disturbance in the sun that involves the violent ejection of solar material into space. This can come in the form of coronal mass ejections, where ...

The curious minds at What If imagine a second Earth hiding in our solar system, exploring how it could exist and its effects on our planet and orbit.

In late winter, the zodiacal light is visible in the evening in the Northern Hemisphere (false dusk) and in the pre-dawn ...

Antarctica plays a crucial role in Earth's climate system by reflecting solar radiation back into space. The large white ice ...

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

Avoid power surge solar panels damage by not using microinverters, grounding your system, and installing multiple ...

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space Agency, ...

Because the Moon appears slightly smaller in the sky at that moment, it does not block all of the Sun’s light. Instead, a ...