Comets

Centaur spotted: Astronomers find space rock near Jupiter that might transform into a comet by 2063

The rare sighting is an opportunity to see the birth of a comet as it starts to become active, researchers say.

NASA astronaut Bob Behnken shares pictures of 'fireworks' from the Neowise comet

The Neowise comet should be visible throughout the month of July and will approach closest to the Earth around 22 July.

Asteroid Day 2020: Raising awareness about threat posed by near-earth asteroids, since 2016

The day is aimed at creating awareness around near-earth objects (NEOs), which could pose a 'potentially catastrophic' threat to our planet someday.

Asteroid 2017 AP4 will zip past the Earth, at a safe distance, today at 2.24 pm IST

According to the Centre for NEO Studies, 2017 AP4 is classified as a member of the Apollo family of asteroids.

Captured in photos: Second interstellar object ever observed in our solar system

The image shows details about C/2019 Q4 — a fuzzy coma and tail, both of which are features not seen in 'Oumuamua.

Watch as a comet makes a suicidal plunge into the sun in a stunning display of cosmic fireworks

The comet was probably a 'Kreutz sungrazer', fragments of a large comet that broke up centuries ago.

Comets inspire researchers to create breatheable oxygen for humans on Mars

Scientists think this new way of producing oxygen could also help fight climate change on Earth.

Pan-STARRS telescope, 'Universe in a Box' has enough data to fill 30,000 Wikipedias

The newest download of data from the 1.4 billion-pixel telescope camera is roughly 1.6 petabytes.

Brightest Comet set to make one of the closest flybys of Earth on 16 December

This will be one of the 10 closest comet flybys of Earth in 70 years.

Hydrogen in Earth's water may have come from clouds of dust, gas left over from Sun

The new finding fits neatly into current theories of how the Sun and the planets formed.