Triton Discovered in 1846 by Amateur Astronomer
William Lassell found Triton on Oct. 10, 1846, using his 20-foot reflector in Liverpool. The moon of Neptune was identified through his telescope.
William Lassell found Triton on Oct. 10, 1846, using his 20-foot reflector in Liverpool. The moon of Neptune was identified through his telescope.
Astronomers used the James Webb Space Telescope to study a fast radio burst over 10 billion light-years away. The observation provides new insights into the nature of these brief, powerful signals.
Astronomers found possible evidence of a planet formed from a white dwarf's debris. The planet may have originated from a previous star system.
A balloon-borne telescope captured high-resolution solar images. The mission aims to study solar activity from above the atmosphere.
An inactive Soviet weather satellite disintegrated above Earth. The breakup added dozens of debris fragments to an already congested orbit.
The Smile mission has released its first video of Earth's auroral oval at the North Pole. The footage shows vivid auroras in vivid detail.
A waning crescent Moon will pass within 3 degrees of Jupiter on October 6, 2026, visible before dawn. The event will occur hours before the Moon occults Jupiter for viewers in North America.