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

If executed at the scale, Musk's orbital data center plan could have devastating effects on the environment and the ...

Earth's cosmic neighbourhood is more dynamic than imagined, hosting temporary 'mini-moons' captured by gravity and ...

Though the first day of spring is debatable, depending on who you talk to, what's not up for debate is that spring will begin ...

Unlike a total solar eclipse, where the Sun is fully blocked, an annular eclipse leaves a thin circle of sunlight shining ...

Researchers used a pair of powerful supercomputers to simulate the potential trajectories of 1 million satellites in a ...

Armed with a hot cup of coffee, you can enjoy summer constellations this week in the pre-dawn sky like Bootes the hunting farmer, Cygnus the swan, Delphinus the dolphin, Scorpius the scorpion, ...

"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...

Winter is the shortest season of the year here in Butler, at least astronomically. Weather-wise though it’s a whole different story! Even if you enjoy this season, winter starts to get a little old ...

Why do some places wait 1,000 years to see a total solar eclipse while others get two in a decade? The surprising orbital ...

Discover the 2026 new moon dates, lunar phases, and monthly timing. Learn about black moons, Earthshine, and skywatching conditions.