"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are ...

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

Conventional telescopes are limited in detecting low-surface-brightness (LSB) structures, which are essential for studying ...

Abstract: In this article, we propose a novel simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-assisted nonorthogonal multiple access (NOMA) system. Unlike most ...

Abstract: In this paper, we formulate and analyze a received power based position estimation problem for visible light positioning (VLP) systems in presence of intelligent reflecting surfaces (IRSs).

Saturn’s rings are not the permanent fixture they appear to be through a backyard telescope. Planetary scientists now agree ...

President Trump said Wednesday he and Interior Secretary Doug Burgum will “fix” the Lincoln Memorial Reflecting Pool in Washington, D.C. The president posted a video of workers attending to the pool, ...

The Geminid meteor shower peaks overnight on Dec. 13 and Dec. 14. The Geminids are active between Dec. 4 to Dec. 20 each year. This year, the moon will not interfere too much with Geminid meteor ...