The universe is more than 13 billion years old and space is often depicted as a vast, empty vacuum. Other than planets and stars, there's nothing there, right? Actually, space is littered with complex, carbon-based molecules. ...
Astrobiology
Oct 24, 2023
0
18
Though a doomed star exploded some 20,000 years ago, its tattered remnants continue racing into space at breakneck speeds—and NASA's Hubble Space Telescope has caught the action.
Astronomy
Sep 28, 2023
1
2498
Uncovering the organic (carbon-based) chemistry in interstellar space is central to understanding the chemistry of the universe in addition to the origin of life on Earth and the possibilities for life elsewhere.
Astronomy
Sep 14, 2023
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14
After days of silence, NASA has heard from Voyager 2 in interstellar space billions of miles away.
Space Exploration
Aug 1, 2023
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6521
Scientists have devised a new technique for finding and vetting possible radio signals from other civilizations in our galaxy—a major advance in the search for extraterrestrial intelligence (SETI) that will significantly ...
Astronomy
Jul 17, 2023
2
348
Avi Loeb, a physicist from Harvard University in the US, has recovered 50 tiny spherical iron fragments from the bottom of the Pacific Ocean that he claims may be material from an interstellar alien spaceship.
Astrobiology
Jul 10, 2023
1
55
The Breakthrough Listen Investigation for Periodic Spectral Signals (BLIPSS), led by Akshay Suresh, Cornell doctoral candidate in astronomy, is pioneering a search for periodic signals emanating from the core of our galaxy, ...
Astronomy
May 30, 2023
1
393
To better understand observations of the most distant galaxies, an international team of astronomers has built a sample of local galaxies which can be studied in much higher detail. In a newly published study they show how ...
Astronomy
May 10, 2023
0
274
Burning hydrocarbon fuels produces nano-sized soot particles and Polycyclic Aromatic Hydrocarbons (PAH)—harmful emissions that impact our environment. The carbon-made particles make up 70% of our interstellar space, and ...
Optics & Photonics
Feb 23, 2023
0
60
It is a popular notion that aside from large celestial objects like planets, stars and asteroids, outer space is empty. In fact, galaxies are filled with something called the interstellar medium (ISM)—that is, the gas and ...
Astronomy
Feb 16, 2023
0
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