On Jan. 4, Earth received its maximum radiation from the sun, which was at its largest in the sky for 2025. The difference isn't huge — the sun today appears to be a mere arcminute (1/60th of a degree ...

It is only the third such object to have been identified as having an interstellar origin, which means it did not begin its ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

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

Summer in the Northern Hemisphere will be shorter this year than last year by about 15 minutes, according to Timeanddate.com.

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a ...

A gas giant planet in distant space has kicked the cosmic hornet's nest: After the world's relentless taunting, its fiery ...

On July 3, 2025, at 3:54 pm ET, the Earth will officially reach its furthest point from the Sun for this year. This is called ...

WASP-121b, also known as Tylos, is a giant, ultra-hot, gaseous planet located 858 light years from Earth. It's hot because it ...

Something incredibly strange is happening in our cosmic neighborhood: a mysterious gravitational disturbance is hurtling Jupiter toward the Sun. If it sounds like science fiction, that’s because ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

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