AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

NASA’s astronaut, Nichole “Vapor” Ayers, has photographed a spectacular atmospheric event – a large red ‘jellyfish’ sprite ...

While US officials are worried about Russian anti-satellite weapons, or ASATs, the behavior of Russia's Nivelir satellites is puzzling. It's clear that Russia is deliberately launching these ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

When the moon is positioned farther from Earth's equator and closer to the poles, its pull on the planet becomes weaker. With ...

Astronomers claim to have found new evidence supporting a controversial observation that our galaxy is residing in an ...

In fact, July 9 could end up being the shortest day ever recorded by the International Earth Rotation and Reference Systems ...

The full buck moon will reach its peak illumination on Thursday, July 10. It’s just one of this month’s celestial highlights.

On October 9, 2008, the State Space Agency of Ukraine sent a message towards Gliese 581c. Unlike the Voyager records, whose messages were chosen by a committee chaired by renowned physicist Carl Sagan ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

A close-in exoplanet is triggering stellar flares and self-destructing. This is the first direct evidence of planet-star ...