Because the period of an object does not depend on its mass, comets’ orbital periods remain unchanged due to mass loss.

Some space conspiracy theories just won't go away.

Organic molecules are among the necessary inventory of life-friendly worlds. On Earth, the compounds of carbon, hydrogen and – in smaller quantities – ...

The perfect electric city car exists, just not in America.

Broad Earth’s Mini-Moon Was Probably a Piece of Its Real Moon Scientists think a small rock discovered near Earth last August was hurled into space by ... as well as a comet’s closest approach ...

A BRIGHT comet could be visible in the sky for the first time in 160,000 years - making it a real once-in-a-lifetime ... to pass Earth in 20 years. The space rock, formally known as G3 ATLAS ...

Astronomers have found two planets around two separate stars that are succumbing to their stars’ intense heat. Both are ...

Less than 24 hours after the Minor Planet Center announced a new asteroid, it said the object was actually Musk's electric ...

Stargazers are in for a real treat, as a comet only visible every 160,000 years ... made of dust and ice that orbit the sun. According to Space.com, they are left over from the formation of ...

It has already put on an incredible show as the third brightest comet ever observed by NASA's space-based solar observatory ... The videos also don't give a real feel for how bright the comet ...

The findings provide the strongest evidence yet that asteroids may have planted the seeds of life on Earth. CAPE CANAVERAL, ...

Western graduate students win NASA Space Apps Challenge for their app that shows the orbits of near-Earth objects that could threaten space infrastructure.