T CrB is a binary star system known for its predictable, though slightly irregular, eruptions, with historical records dating back to 1217. Past eruptions, including the most recent one in 1946, saw ...

This November, millions across the U.S. will get a chance to see the biggest and brightest Supermoon as well as a pair of ...

A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

Researchers have believed that Segue 1, a puny galaxy orbiting the Milky Way just 75,000 light-years away, was packed with dark matter, a substance in space that doesn't shine or interact with light.

Earth has a new companion for the next 60 years or so — an asteroid-like object sharing the planet’s orbit around the sun.

The best time to see a shooting star is on Nov. 16 and 17, when the Leonids peak during an almost completely dark waning crescent moon. The meteors from the Leonids can be very bright and colorful ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without ...

It’s just a little guy, and not everyone agrees that it’s actually a mini-moon. By Robin George Andrews A growing number of researchers in the field are using their expertise to fight the climate ...

The discovery of quasi-moon PN7 has caused a stir on social media. A University of Oregon astronomy professor explains. what ...

The discovery of a new celestial object in the Earth's neighborhood has created a buzz online asking whether the planet now ...