It is just tall enough to fit the Sun or Moon, both of which have an angular diameter ... comets, galaxies, nebulae, planets, and stars), and thumbnails of the best such currently visible objects will ...

"The sand erosion at Pariva beach … [is] a humanitarian crisis that highlights PNG's vulnerability ... trapping the sun's heat and warming the planet. Glaciers and ice caps then start to melt ...

The health of the planet will only be restored ... “[T]he clearing of the woodlands has opened up the land, exposing it to ...

"The sand erosion at Pariva beach … [is] a humanitarian crisis that highlights PNG's vulnerability to climate change ... pollutant-filled gases fill the atmosphere, trapping the sun's heat and warming ...

The orbit Venus takes around the sun results in an inferior conjunction as it transitions from appearing in the evening sky to the morning sky.

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.

Saturn may be difficult to see since it will be near the sun, according to StarWalk. It's not rare for several planets to line up in the sky, but the sight of four or five brilliant planets at ...

Because Venus is an inferior planet closer to the Sun than Earth, it goes through phases as seen from our planet. The best way to view its phase is through a telescope not long after the Sun has ...