From a marathon milestone on Mars to a sky filled with satellite trails above Chile’s deserts, this week’s collection ...

"Observations of sun-like giant stars currently point towards Earth's survival, but we need better observations before we can ...

"This is the first time that we've been able to predict in human history an asteroid visibly passing by the Earth." ...

On July 28-29, it will be the peak time for the Piscis Austrinid meteor shower, with a maximum of five meteors per hour.

Planet GJ 3378b is 25 light-years from Earth and orbits its star at a blistering 21 days. Credit: NASA Twenty-five light-years away, in the constellation Camelopardalis, a small red star hosts a rocky ...

Voyager 1 is about to become the first object one light-day from Earth, still whispering home on a plutonium supply the size ...

Several of Saturn’s moons are on view this morning, including its brightest satellite, Titan, along with Dione, Tethys, Rhea, ...

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

Could alien life exist closer than we think? The Sky at Night team investigate.

For much of the summer, planet watchers have had to contend with bright dawn skies and awkward viewing angles. Several ...

An asteroid larger than many downtown office buildings will make a relatively close pass by Earth on Saturday, June 27, offering astronomers a rare opportunity to study thus sizable near-Earth object.

The comet, which has a diameter of around 2.6 km, is probably the oldest-known object to venture through the solar system.