In 1986, the European spacecraft Giotto became one of the first spacecraft to encounter and photograph the nucleus of a comet, passing and imaging Halley’s nucleus as it receded from the Sun.

From NASA: “In 1986, the European spacecraft Giotto became one of the first spacecraft to encounter and photograph the nucleus of a comet, passing and imaging Halley’s nucleus as it receded ...

Halley’s Comet isn’t just a spectacular sight; it’s also a remarkable object in terms of its physical traits. The comet's nucleus is covered in craters and has an irregular shape, measuring roughly 9 ...

Comets are icy bodies that orbit the Sun, often referred to as ‘dirty snowballs’. Learn about their composition, formation, ...

If you do spot a long-trailed meteor, keep in mind that you likely will have seen an incandescent streak of light produced by material that originated from the nucleus of Halley's comet ...

With up to 60 meteors per hour under perfect conditions during the peak night, the Eta Aquariids are considered a strong ...

Halley’s comet swings near Earth every 75 years. But debris left by the comet leads to two major meteor showers every year including the Eta Aquarids. When this meteor shower lights up the night sky, ...

the debris is created by Halley’s Comet. Each time Halley returns to the inner solar system its nucleus sheds ice and rocky dust into space, NASA said, with that dust eventually becoming the ...

A comet is composed of a nucleus (core), a coma, a hydrogen “envelope” and two tails. “The nucleus is the icy, rocky core — the physical thing that is traveling through space,” said ...