Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard’s Star, the second-nearest star system to Earth.
The four planets, each only about 20 to 30% the mass of Earth, are so close to their…
Category: 2. Space
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Super-Earths and mini-Neptunes: More Earth-like planets may exist
A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation of super-Earths and mini-Neptunes — planets that are 1 to 4 times the size of Earth and among the most common in our…
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Small, faint and ‘unexpected in a lot of different ways’: Astronomers make galactic discovery
A discovery made by a team led by researchers at the University of Michigan tugs at the seams of some key cosmic lessons we thought we had learned from our own galaxy.
This new knowledge comes from the outskirts of Andromeda, the Milky Way’s…
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boreal forest: Taking taiga’s temperature
A new study has introduced a powerful tool for analyzing satellite imagery of boreal forests (also known as “Taiga” in North America), offering unprecedented insights into the health and dynamics of these crucial ecosystems.
The research,…
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Uranus emits more heat than previously thought
Uranus emits more energy than it gets from the sun, two new studies report — a discovery that contradicts findings from the venerable Voyager spacecraft.
When Voyager 2 sped past Uranus on January 24, 1986, the spacecraft detected…
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Hubble Observes Ongoing Merger of Two Massive Galaxies: Arp 105
Arp 105 is characterized by a tidal tail of stars and gas more than 362,000 light-years long.
The elliptical galaxy NGC 3561B (upper left) and the spiral galaxy NGC 3561A (lower right) form a shimmering guitar shape in the ongoing merger known…
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James Webb Space Telescope reveals unexpected complex chemistry in primordial galaxy
University of Arizona astronomers have learned more about a surprisingly mature galaxy that existed when the universe was just less than 300 million years old — just 2% of its current age.
Observed by NASA’s James Webb Space Telescope, the…
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Mysterious phenomenon at center of galaxy could reveal new kind of dark matter
A mysterious phenomenon at the centre of our galaxy could be the result of a different type of dark matter.
Dark matter, the mysterious form of unobserved matter which could make up 85% of the mass of the known universe, is one of science’s…
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Hubble Space Telescope Spies NGC 4900
Astronomers using the NASA/ESA Hubble Space Telescope have produced a spectacular image of the spiral galaxy NGC 4900.
This Hubble image shows NGC 4900, a spiral galaxy approximately 45 million light-years away in the constellation of Virgo….
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Earth’s Oldest Impact Crater is Discovered
The world’s oldest known impact crater has been identified in the Pilbara, which is a part of Western Australia, according to new research reported in Nature Communications. The crater was made about 3.5…
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