Elon Musk is taking the long view. The billionaire SpaceX founder has long said that humanity needs to expand its footprint ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

Researchers say they found a curious dot on infrared images taken 23 years apart that seems to be moving in a manner consistent with a large, distant planet.

Macduff met the Herald this week at the Jupiter basalt marker along the Columbia Park Trail, just east of the blue bridge. It ...

An international team of scientists led by a Rutgers University–New Brunswick astrophysicist has discovered a potentially ...

The world’s most advanced solar telescope just unlocked a new level of discovery with the first light from its Visible ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...

Earth's atmosphere is much more sensitive to ripples of radiation from the sun than scientists previously believed, new ...

Despite being 3,400 times the mass of the sun and just 300 light-years away, the hydrogen cloud had gone unnoticed until now.

Tsuchinshan-ATLAS was that rare type of comet that arrived with fanfare and lived up to the hype, serving up naked-eye views ...