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 ...

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 ...

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

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

Zooming in on 78 disks in the Ophiuchus star-forming region, scientists saw hitherto undiscovered structures around young ...

There is currently a 4.3% chance that the giant space rock 2024 YR4 will hit the moon in seven years. If this does happen, ...

"We show how planets in binary systems can undergo a mirrored migration process, so that both stars end up with hot Jupiters.

Everything in space—from Earth and the sun to black holes—accounts for just 15% of all matter in the universe. The rest of ...

Identifying the formation period of planetary systems, such as our solar system, could be the beginning of the journey to ...