Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

A rare Jupiter-sized planet AT2021uey b was found 3,200 light-years away using microlensing, a method based on Einstein's ...

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

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

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

Venus continues to be the “Morning Star” in the east before dawn, albeit it has become dimmer — but still bright — as it ...

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

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

Gaia-4b is the most massive planet known to orbit a low-mass star. Also, see an animation for Gaia-5b, a brown dwarf orbiting ...

Researchers identified the likely planetary candidate’s infrared light after blocking out its host star’s overwhelming glare ...

Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star. The discovery defies current understanding of how planets form.