Can Mars let humans age faster? It sounds more poetic than reality, but it may be true technically. Two identical clocks: One on Earth other on Mars, .

A new candidate exoplanet appears to almost uncanny similarities to Earth — but may differ in at least one major way.

Ancient Scottish rocks prove Earth had seasons and climate cycles even during Snowball Earth period despite near total ...

Every once in a while, the mechanics of our solar system grant Earth and its residents a better-than-average view, as is the ...

Do Aliens Exist? This interesting question has kept the generations interested in the evidence of their existence on other ...

Look west just after sunset from this weekend for a chance to see some of six planets, though the best views will be had ...

Jupiter, Mercury, Neptune, Saturn, Uranus, and Venus—will appear in the sky together in a special planet parade on Feb. 28.

This weekend, six planets are set to share the sky in a rare “planet parade,” giving stargazers a short but magical window to ...

NASA’s SPHEREx mission observed infrared emissions from interstellar comet 3I/ATLAS, documenting changes in dust, gas, and ...

Explore the solar system from Mercury to Pluto and discover the extraordinary differences in orbital speed, year length, and rotation. Learn how Mercury completes a year in just 88 days, while Neptune ...

New research data using NASA’s Juno spacecraft shows Jupiter is slightly smaller and flatter than decades-old estimates.

Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...