Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

July’s predawn sky offers some rare events, providing another reason to get outdoors to enjoy the relatively cool mornings.” ...

What's happening in the skies over North Texas this month? July holds some spectacular sights in the night and morning sky.

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

Venus moves east as July progresses and stands 3° due north of Aldebaran on the 14th, after skirting the northern regions of ...

July’s predawn sky offers some rare events, providing another reason to get outdoors to enjoy the relatively cool mornings.

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

Project Kuiper will deliver high-speed, low-latency internet to virtually any location on the planet, and we expect to begin delivering service to customers later this year. Our first-generation ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...