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.

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

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 ...

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

Chinese researchers examining European data find freshly formed stars rotate much faster than their predecessors.

Chinese astronomers have employed NASA's Transiting Exoplanet Survey Satellite (TESS) to observe an eclipsing binary of the ...

An international team, led by Instituto de Astrofísica e Ciências do Espaço (IA) researcher Ângela Santos, has made the first ...

When invisible dark matter spins, it may form clumps of "vortexes" that stretch across space, forming the cosmic web that ...