Comets

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  SETI Scientists Searched Interstellar Comet 3I/ATLAS for Alien Signals

  SETI researchers used the Allen Telescope Array to scan interstellar comet 3I/ATLAS for artificial radio signals. No techno-signatures were detected, but the observations improved methods for future searches.

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  NASA's James Webb Space Telescope Detects Methane On Interstellar Comet For First Time, Reveals Unusual Chemistry

  The observations further confirmed that comet 3I/ATLAS remains unusually rich in carbon dioxide.

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  Eta Aquarids 2026: When Can Indians Watch Halley's Comet Meteor Shower

  The best time to view the shower will be before dawn on May 6, when the shower's radiant it at its highest in the sky.

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  Astronomers Reveal New Insights Into The Origins Of Interstellar Comet 3I/ATLAS

  The astronomer used the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile to make the observations.

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  Video: Scientists Share Clip Of Comet Breaking Apart In Real Time, Call It "Really Special"

  Comets are loose collections of ice, dust and frozen gases left over from the solar system's formation 4.6 billion years ago.

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  A Visitor from Another Star: Interstellar Comet Reveals Alien Origins

  Observations of 3I/ATLAS reveal high levels of heavy water, suggesting it formed in an extremely cold star system. The discovery offers new insights into how planets form beyond our solar system.

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  Lyrid Meteor Shower 2026: Best Dates, Peak Time And How To Watch The Sky Show

  The Lyrid meteor shower, active from 16-25 April and peaking around 22-23 April, offers Northern Hemisphere skywatchers 10-15 meteors per hour under dark skies, with occasional surges up to 100 plus bright fireballs.

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  NASA Captures Comet Disintegrating Near Sun During Close Flyby

  On April 4, comet C/2026 A1 (MAPS) moved toward the Sun, passing at a distance about twice as far from the Sun as the Moon is from Earth.

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  NASA Observes Rare Sungrazer Comet Disintegration Near the Sun

  NASA spacecraft observed C/2026 A1 (MAPS) disintegrate near the Sun. The sungrazer’s destruction provides valuable insights into comet structure, solar forces, and the early solar system.

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  Rare Interstellar Comet To Shine In Skies After 170,000 Years: Here's How To Watch

  The comet is currently in the constellation Pegasus and passing near the Great Square of Pegasus.

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  NASA Detects Comet That Slowed Down And Began Spinning In The Opposite Direction

  Scientists believe it originated in the Kuiper Belt. Later, due to Jupiter's gravitational influence, it settled into its current orbit.

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  Hubble Telescope Captures Comet Reversing Its Rotation for the First Time

  Using the Hubble Space Telescope, astronomers observed Comet 41P slow, stop, and reverse its spin due to gas jets. The rare phenomenon could mark the beginning of the comet’s breakup as it nears the end of its life.

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  NASA's Hubble Telescope Captures Rare Real-Time Breakup Of Comet K1

  Co-investigator Noonan noted that Hubble had never before observed a disintegrating comet at such close proximity to the actual moment of fragmentation.

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  Astronomers Detect Exceptionally High "Alcohol" Levels In Interstellar Comet 3I/ATLAS

  The comet contains higher levels of this simple alcohol than almost all known comets from our solar system.

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  European Space Agency's Spacecraft Captures Close-Up Image Of Interstellar Comet Releasing Dust

  A recent image shared by the European Space Agency's Jupiter Icy Moons Explorer (Juice) reveals a close-up view of the interstellar comet 3I/ATLAS.