Comet

Brightest comet of 2021 to pass by Earth on 12 Dec; here's all you need to know

The comet is travelling at a speed of 158,084 miles per hour (71 kilometres per second), but due to its distance from the Earth, it will appear as a slow-moving object to observers

Researchers discover a gargantuan comet 1,000 times bigger than usual heading towards Earth

Scientists predict that the comet will come closest to the Earth about a decade later, sometime in the year 2031.

From meteor showers to Neptune at opposition: List of celestial events in September to watch out for

On 22 September the season officially changes and it marks the point where earth experiences equal lengths of day and night.

Giant comet hailing from distant Oort Cloud spotted in our outer solar system

The giant comet is known as Comet Bernardinelli-Bernstein and is estimated to be about 1,000 times bigger than a typical comet.

Comet 2I/Borisov is the most pristine visitor from outer space ever observed

Pristine, in astronomical terms, describes a comet that has never passed close enough to a star to be transformed by its searing heat.

Comet from solar system's edge triggered a winter that killed the dinosaurs 66 mn-years-ago: Harvard study

These long-period comets take about 200 years to orbit the Sun and we can expect similar impacts every 250 million to 750 million years.

UK scientists gear up to build a comet-chasing spacecraft that will launch in 2028

The mission will allow scientists to know about the history of the solar system as never seen before.

NASA's time-lapse of the Comet ISON shows it journeying towards the Sun, before it broke apart in 2013

ISON had a tail that was 20 times wider than the full Moon and its head was so bright that it could have been seen in the “pre-dawn eye with the unaided eye”.

After two years circling asteroid Bennu, NASA's Osiris-Rex mission to touch down, collect samples

While NASA has brought back comet dust and solar wind particles, it’s never attempted to sample one of the nearly 1 million known asteroids lurking in our solar system until now.

Hubble telescope captures close-up shot of ‘celebrity’ comet NEOWISE as it passes by the Sun

NASA’s Hubble telescope captured close-up shots of the coma of the comet which is the cloud of gas and dust that surrounds the icy nucleus of the comet.