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Posts by
Paul Scott Anderson
Could ice sheets, not rivers, have formed the channels on Mars?
New research suggests that many of Mars' ancient channels, thought to have been carved by flowing surface water, were formed instead by meltwater beneath glacial ice sheets.
August 7, 2020
Can other gases help explain Mars methane mystery?
The European Space Agency's Trace Gas Orbiter has unexpectedly detected carbon dioxide and ozone in Mars' atmosphere where the elusive methane should be, researchers in the UK and Russia have announced. The two gases may be hindering the probe's methane detections.
August 3, 2020
Juno’s new images reveal Ganymede’s north pole
These are the first spacecraft images yet acquired of the north pole of Ganymede, largest moon of the giant planet Jupiter. NASA's Juno spacecraft - now orbiting Jupiter - obtained them.
July 31, 2020
How astronomers rediscovered a ‘lost world’
And why this rediscovery of a lost world - called NGTS-11b - bodes well for finding habitable exoplanets.
July 30, 2020
1st direct image of 2 giant exoplanets orbiting a sunlike star
For the 1st time ever, astronomers have photographed more than one giant exoplanet orbiting a sunlike star. The planetary system is similar to our solar system, but younger.
July 26, 2020
Astronomers ponder Odd Radio Circles in space
Scientists in Australia have discovered a strange new phenomenon in deep space - "Odd Radio Circles" - that appear in radio telescope images as mysterious circles or rings.
July 24, 2020
To find giant black holes, start with our solar system’s center
A new study from researchers at Vanderbilt University suggests that to find the most massive black holes, measure the effects of their gravitational waves on the flashes of light coming from pulsars. The best location to do that is at the precise gravitational center of the solar system.
July 15, 2020
A proposed new mission to Venus
The proposed VERITAS mission to Venus is one of the finalists for NASA's Discovery Program. If selected, it will revolutionize our knowledge about the planet's geology and how this formerly habitable world became a fiery wasteland.
July 12, 2020
How many ETs are in our galaxy? Ask the Alien Civilization Calculator
Researchers at Omni Calculator have created the Alien Civilization Calculator, a unique combination of two different methods of trying to determine how many advanced alien civilizations may exist in our galaxy.
July 8, 2020
Astronomers discover 6 possible new exomoons
Astronomers from Western University in Canada have discovered six more possible exomoons orbiting distant exoplanets, in data from the Kepler Space Telescope.
July 2, 2020
