The solar system has eight planets. In 2006, astronomers reclassified Pluto as a dwarf planet, the same class that contains Eris, Sedna, Quaoar, Ceres and perhaps many more solar system small bodies. These are defined approximately ...
Astronomy
Mar 14, 2022
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815
NASA's Nancy Grace Roman Space Telescope, now under construction, will test new technologies for space-based planet hunting. The mission aims to photograph worlds and dusty disks around nearby stars with detail up to a thousand ...
Astronomy
Feb 24, 2022
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192
Scientists say the hole in the Earth's protective ozone layer over the Southern Hemisphere is larger than usual this year and already surpasses the size of Antarctica.
Environment
Sep 16, 2021
0
82
Astronomers have spotted a giant 'blinking' star towards the center of the Milky Way, more than 25,000 light years away.
Astronomy
Jun 11, 2021
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5622
NASA's Jet Propulsion Laboratory in Southern California is providing the instrument that will enable a nonprofit organization called Carbon Mapper to pinpoint and measure methane and carbon dioxide (CO2) point-sources from ...
Environment
Apr 16, 2021
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16
Data from ESA's Gaia star mapping satellite have revealed tantalizing evidence that the nearest star cluster to the sun is being disrupted by the gravitational influence of a massive but unseen structure in our galaxy.
Astronomy
Mar 24, 2021
22
279
Researchers have just published a theory of what powers the celestial phenomenon known as STEVE, the aurora-like glow amateur sky-watchers brought to scientists' attention in 2016.
Earth Sciences
Apr 8, 2020
0
114
A type of Martian aurora first identified by NASA's MAVEN spacecraft in 2016 is actually the most common form of aurora occurring on the Red Planet, according to new results from the mission. The aurora is known as a proton ...
Space Exploration
Dec 13, 2019
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512
An international research team led by scientists from Göttingen and Potsdam proved for the first time that the galaxy NGC 6240 contains three supermassive black holes. The unique observations, published in the journal Astronomy ...
Astronomy
Nov 21, 2019
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110
New observations from the NASA/ESA Hubble Space Telescope have investigated the nature of the gamma-ray burst GRB 190114C.
Astronomy
Nov 20, 2019
0
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