It’s not often that I’m up early enough to catch a sunrise, especially since I retired. But when I do, I’m usually awed by it ...

In the early 1930s, Swiss astronomer Fritz Zwicky observed galaxies in space moving faster than their mass should allow, ...

If findings are correct, astronomer Tomonori Totani told Newsweek, this may finally solve "the greatest mystery in cosmology.

Imagine boiling something. You probably picture a stove, heat radiating from a burner, and bubbles rising because the ...

A groundbreaking study suggests that beneath the frozen surface of Enceladus, Saturn’s smallest moon, there could be vast, ...

An ideal beginner telescope that our expert reviewed earlier this year and recommends for those new to astronomy is now over ...

Stargazing at night is one of the unparalleled joys of camping, and this Pennsylvania state park offers one of the best views ...

Getting a little stargazing in this Thanksgiving with these Nikon Prostaff P3 8x42 binoculars, $40 off for Black Friday.

Simulations show that subsurface oceans on small moons may hit boiling conditions, potentially creating features like Miranda’s distinctive ridges.

"This process could explain distinctive surface features on small moons that otherwise appear geologically dead." ...

Lunar samples serve as a critical link between orbital remote sensing and ground-truth measurements. Previous sample-return ...

我们对太阳系外围的解释揭示了许多冰冷卫星的存在，其中许多卫星的表面特征表明其地质构造复杂。在某些情况下，这些特征——最显著的是土卫二（Enceladus）的间歇泉——暗示着冰冷表面之下存在海洋。这些海洋被认为是由于引力相互作用导致卫星内部发生弯曲和摩擦，从而产生足够的热量来融化其内部。（背景延伸：土卫二是由威廉·赫歇尔于1789年发现的，是土星第六大卫星，也是太阳系中已知存在活跃间歇泉的少数天体之 ...