How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Scientists have been working on ways to find new worlds far from Earth, and this strange method theorized decades ago has ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

Next generations of gravity missions require new technologies for an absolute frequency determination of cavity stabilized lasers. One proposed technology uses a readout of the free spectral range of ...

You might have seen the claim online, and it’s at least partially right, but it's not the only other number of days Earth has had.

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

All together, that makes a wonderful, very human, mess. Back in the 1960s, the United States Geological Survey stated: “There ...

What can Earth-sized exoplanets teach scientists about the formation and evolution of exoplanets throughout the cosmos? This is what a study recently posted to the arXiv preprint server hopes to ...

In a stellar nursery 460 light-years away, astronomers sharpened old ALMA data and spotted crisp rings and spirals swirling ...

A little-known fact to the general public is that there's more moving around Jupiter's orbit than just the giant gas planet.