Sirius, the Dog Star, is difficult to ignore. Ostentatiously scintillating on the southern horizon right now, the “Searing ...

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

Wolf 359’s extreme radiation and frequent X-ray flares make life-sustaining atmospheres on nearby planets highly unlikely, ...

Caltech scientists are developing laser-driven lightsails that could push spacecraft beyond our solar system. Their research ...

Nasa to launch PUNCH Sun mission to recreate solar eclipse - Four suitcase-sized satellites could revolutionise our ...

Scheduled to launch on Feb. 27, NASA's PUNCH mission could revolutionize space weather forecasts, unify the solar corona and ...

Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for ...

But of these planets, which is nearest to the sun? Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, ...

On Feb. 24, from west to east, you can see Mercury, Saturn, Neptune, Venus, Uranus, Jupiter and Mars, all spanning 117.5°, plus Earth under your feet—all eight known planets of our solar system!