Comet

NASA releases images of comet 3I/ATLAS, rejects alien spacecraft 'rumors'

While the comet's precise point of origin remains unclear, the NASA scientists said they believe it hails from a solar system older than our own, which formed about 4.5 billion years ago.

This image of interstellar comet 3I/ATLAS was captured by the Hubble Space Telescope’s Wide Field Camera, July 21, 2025.
This image of interstellar comet 3I/ATLAS was captured by the Hubble Space Telescope’s Wide Field Camera, July 21, 2025.

A new guest in the cosmic neighborhood: The possible extraterrestrial origins of 3I/ATLAS

 The 'dark side' of the comet.

Are dark comets Earth's 'life delivery' couriers? We now know about 14 of them in the solar system

 A comet fragment lights up the skies as seen from Caceres, Spain May 18, 2024 in this still image taken from social media video.

Comet hits Earth's atmosphere, flies over Spain, Portugal before burning up - ESA


Giant comet grows horns after ice volcano eruption

Comet 12P/Pons-Brooks is a cryovolcanic comet that orbits the Sun every 71 years. After a possible volcanic eruption, it now has what seems to be two massive horns.

 Comet (illustrative).

Meteor the size of pork roll sandwich crashes through New Jersey home

The meteor, roughly 15.24 centimeters or six inches in size, is believed to be part of the Eta Aquarid meteor shower. Despite damage to the home, no injuries were reported.

 Illustration of an asteroid heading towards Earth

How can we defend Earth against asteroids? This scientist has an idea

The traditional approach to this hypothetical scenario is to deflect the orbit of the incoming threat, but a scientist recently proposed an innovative approach.

 An asteroid is seen heading toward Earth in this illustrative image

Scientists explain alien comet 'Oumuamua's strange acceleration

'Oumuamua (pronounced oh-MOO-uh-MOO-uh) lacks the tail of gas and dust characteristic of many comets.

 A comet is seen flying by the Earth (Illustrative).

Comet the size of Jerusalem's Old City flying by Earth - and you can watch

The comet was designated C/2022E3 (ZTF) and it was discovered in early March 2022 by the Zwicky Transient Facility. It isn't going to hit us, but it will be visible with the naked eye.

 A comet is seen flying by the Earth (Illustrative).

Burj Khalifa-sized asteroid to narrowly pass Earth on Halloween

The closest it will get to Earth will be on Nov. 1, approximately 2.3 million kilometers away- this is around six times the distance between the Earth and the Moon.

 An asteroid is seen heading towards the planet in this artistic rendition.

Orionid meteor shower is here: What is it, how can you watch it? - explainer

The Orionids are one of the most beautiful and stunning meteor shower of the year. They are set to run until November 7, peaking on October 21.

 This composite image shows 22 Orionid meteors streaking through the skies over Kitt Peak National Observatory, October 19-21, 2014.

Asteroid flies past Earth 27 times faster than speed of sound

A “potentially hazardous” asteroid the size of a blue whale was set to fly past Earth on Friday.

 An asteroid is seen heading towards the planet in this artistic rendition.

Scientists fear telescope may be damaged by Halley's Comet - report

Although the telescope is not expected to collide with the comet, scientists are researching solutions to mitigate the potential damage caused by dust and other particles in its trail.

Comet 1P/Halley as taken March 8, 1986 by W. Liller, Easter Island, part of the International Halley Watch (IHW) Large Scale Phenomena Network.

These are the best meteor showers to watch this summer

Summer is the ideal season for meteor showers because it's not too cold to be out in the middle of the night and the skies are generally clear.

 View of the stars during a meteor shower in the skies above the Negev desert, near Ramon Lookout, in southern Israel, on August 13, 2018.

Comet twice the size of Mount Everest to pass by Earth next month

Dubbed C/2017 K2 (PanSTARRS), this collossal comet will make its closest approach to Earth on July 14 and will be close to the Sun on December 19. 

 Comet (illustrative).