A s of today, October 30, 2025, the world is holding its breath. The mysterious interstellar object 3I/ATLAS is currently hidden by the sun, having just passed its closest approach yesterday. We are ...

Perihelion is the point on an orbital course that brings a body closest to the sun. C/2025 K1 (ATLAS) is an Oort cloud comet ...

Two newly discovered comets are streaking across the sky in a spectacular display as they make their closest approaches to Earth this month. Comets are made of ice, frozen gases and rock, and as they ...

Update for Oct. 21: Due to cloudy weather, this livestream was rescheduled for Oct. 24, beginning at 1:30 p.m. EDT (1730 GMT). Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach ...

This newly discovered comet could soon glow bright enough for the naked eye as it sweeps through October's morning and evening skies. Comet Lemmon (C/2025 A6) is quickly brightening as it draws closer ...

Gather ’round for this galactic double feature. After a year devoid of comets visible to the naked eye, two of the celestial entities — C/2025 A4 (Lemmon) and C/2025 R2 (SWAN) — will be gracing our ...

Comet C/2025 A6 (Lemmon) is currently visible in the predawn eastern sky, initially positioned within the constellation Ursa Major. Its perigee, or closest approach to Earth, is scheduled for October ...

Stargazers, here's a new one to add to your October view list. Two newly discovered comets, both sporting vibrant green hues, are set to grace the night sky, AND if the conditions are right, there's ...

Two greenish-hued comets are swinging through the inner solar system this fall, offering a rare chance to spot them in the coming weeks. The comets, named C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are ...

Comet C/2025 A6 (Lemmon) is currently a 5th-magnitude object, with predictions for it to brighten by two to six times, potentially allowing naked-eye observation from dark sites. Its closest approach ...

A newly discovered comet, Comet Lemmon, will make its closest approach to Earth on Oct. 21. The comet may be visible to the naked eye in late October, best viewed in a dark sky location. If you miss ...

On July 17, 1949, renowned British aircraft company de Havilland introduced the world's first commercial jet airliner: the de Havilland Comet. Equipped with four Ghost turbojet engines, large square ...