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Astronomy Today is an astronomy news aggregator with news, articles and information from different sources on astronomy, astrobiology, space and planetary exploration with a huge archive of more than 30,000 news articles updated daily.

News

Planetary Society Blog

Context. Planetary mass and radius data are showing a wide variety in densities of low-mass exoplanets. This includes sub-Neptunes, whose low densities can be explained with the presence of a volatile-rich layer. Water is one of the most abundant volatiles,...

01/21/2021

Planetary Society Blog

In the search for life in the cosmos, NASA's Transiting Exoplanet Survey Satellite (TESS) mission has already monitored about 74% of the sky for transiting extrasolar planets, including potentially habitable worlds....

01/21/2021

Space.com

New images of the Butterfly Nebula and the Jewel Bug Nebula taken by the NASA/ESA Hubble Space Telescope are revealing information about how planetary nebulae develop their dramatic features. The Butterfly Nebula is one of the brightest and more extreme examples of a pinched-waist, bipolar planetary nebula. Also known as NGC 6302, it is located [...]

01/20/2021

ESA Top News

Dark clouds, the smell of rain on a hot sidewalk, the flashes of intense light followed by a loud crackling and then a low, rolling thunder – who doesn’t love a good summer thunderstorm? We’ve all seen one, heard one, or been completely soaked by one. But how much do we really know about this weather phenomenon?

01/20/2021

Space.com

Astronomers using the MeerKAT radio telescope at the South African Radio Astronomy Observatory in Cape Town, South Africa, have discovered two new radio galaxies with sizes of more than 6.5 million light-years, or 62 times larger than the Milky Way. Some classes of active galactic nuclei have jets of relativistic plasma and particles emanating from [...]

01/20/2021

ESA Space Transportation

Recent tests show that lightweight carbon-fibre reinforced plastic is strong enough to replace metal used in upper-stage rocket structures. This is an important milestone in Europe for the development of a prototype of a highly-optimised ‘black’ upper stage, Phoebus, a joint initiative by MT Aerospace and ArianeGroup, funded by ESA.

01/20/2021

ESA Top News

Image: Seeing in a flash

01/20/2021

SpaceRef Astronomy

In a new paper published today in the Proceedings of the National Academies of ScienceS (PNAS), planetary geologist Joe Levy, assistant professor of geology at Colgate University, reveals a groundbreaking new analysis of the mysterious glaciers of Mars....

01/20/2021

Astrobiology

Astronomers are winding back the clock on the expanding remains of a nearby, exploded star. By using NASA's Hubble Space Telescope, they retraced the speedy shrapnel from the blast to calculate a more accurate estimate of the location and time...

01/20/2021

Astrobiology

Images of two iconic planetary nebulae taken by the Hubble Space Telescope are revealing new information about how they develop their dramatic features...

01/20/2021