Mick West, a UFO investigator, suggests using modern tools for analysing UAP and suspected alien sightings, and ruling out ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of ...

Exoplanet atmospheres have become prime targets for astrobiologists in the search for life beyond Earth. This is because exoplanet surfaces can't be directly imaged yet, so astronomers must get ...

A lost Philadelphia observatory once used to track the transit of Venus may be the place where the Declaration of Independence was read publicly for the first time.

For the first time, NASA's TESS (Transiting Exoplanet Survey Satellite) mission has identified a planet orbiting a distant star thanks to its warping of space-time. Unlike the star-hugging transiting ...

Olympic legend Allyson Felix tells On SI why access, not talent, is the biggest barrier facing too many young athletes today.

Look to the west to catch Venus and Jupiter shining bright, with Saturn and Mars visible in the east for early risers, and ...

Breyton Paulse has hailed Rassie Erasmus and his Springboks coaching team for selecting younger players in the squad for the ...

A colossal asteroid, dwarfing the Eiffel Tower, is set for a safe flyby of Earth this weekend, June 27, 2026. Designated ...

Mercury and Jupiter are growing closer in the evening sky, but the former is also getting fainter and more challenging to track.

At the right point of the orbit and stellar cycle, the star’s chromosphere brightens.