ニュース

3I/ATLAS, also known as C/2025 N1, is a comet from interstellar space, meaning it originated in another star system and entered our solar system on a one-time flyby. It was first spotted by the ATLAS ...
Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...
Astronomers have made an exciting discovery: a massive, shining object racing through our solar system. The object, which was ...
The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...
NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...
Its closest approach to the Sun will occur around October 30, just inside Mars’ orbit, at 1.4 AU, before it continues its ...
Astronomers have confirmed the discovery of a rare celestial visitor: a comet from beyond our Solar System. Officially named ...
The comet will zip past Mars’s orbit and reach its closest point to the Sun on 29 October 2025, at 1.35 astronomical units.
CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...
The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...
Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...
The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...