Astronomers are gathering evidence of a massive hidden planet lurking beyond Neptune. Trump Cuts Millions After California ...

Might the solar system harbor not just one, but two unknown planets? A fresh study of the Kuiper Belt’s structure has revived ...

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...

So, what do we know about which planets emerged early, and which ones developed later on? Despite advanced techniques like dating organic materials from space, going on multiple visits to the moon, ...

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...

Stargazers using telescopes should be able to see the object in the predawn sky beginning Nov. 11, according to EarthSky.

Nov. 5 — Full moon, the “beaver moon” and the “hunter's moon,” another super moon At this position in the moon’s orbit around ...

If there's another planet in the system even somewhat nearby, its weak-but-persistent gravitational influence will pull the inner world into a highly elliptical orbit. Once there, it will stretch and ...

A trio of meteor showers sends flashes of light across our skies this month, and the first week will feature the largest and ...

Thirty years ago this week, two Swiss astronomers announced that they had spotted the first known planet orbiting a Sun-like star. The Nobel-winning discovery, later published in the pages of Nature, ...

‘The Planets,” the 2018 work which propelled English composer Gustav Holst to “rock star” status, has been a powerful influence on music of all genres ever since — and film composer John Williams in ...