Washington: NASA's Solar Dynamics Observatory (SDO) has spotted an image of a gigantic sunspot - the largest in last 24 years.
The flare erupted from a particularly large active region dubbed as AR 12192.
The sunspot soon grew to be the largest...
Washington: In a potentially "groundbreaking discovery", scientists led by NASA have found large patches of trace gases shining brightly near the north and south poles of Saturn's moon Titan during the moon's dusk and dawn.
The pair of patches...
Washington: A comet called C/2013 A1 or Siding Spring will pass within about 139,500 kms of Mars on Sunday, NASA said in a statement.
The distance is less than one-tenth that of any known comet flyby of Earth.
"This is a cosmic science gift that...
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