Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...

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 ...

We see some of our hottest temps when Earth is furthest from the Sun (aphelion) and coolest at the closest to the Sun ...

Mercury reaches its point of greatest eastern elongation on Friday (July 4), presenting an excellent opportunity to spot the ...

NASA’s Coronal Diagnostic Experiment (CODEX) has released its first set of images showcasing never-before-seen details of the ...

On July 3, 2025, at 3:54 pm ET, the Earth will officially reach its furthest point from the Sun for this year. This is called ...

Angular momentum is a fundamental quantity in physics that describes the rotational motion of objects. In quantum physics, it ...

You might have seen the claim online, and it’s at least partially right, but it's not the only other number of days Earth has had.

The planets of the Solar System are roughly on the same plane, but the fact that they are not exactly aligned means that ...

Learn how a new discovery of a giant planet can help scientists refine their theories of how planets form.

In this communication, an orbital angular momentum (OAM) mode-reconfigurable antenna based on a uniform circular array (UCA) is presented. To realize multiple switchable operating states while ...