After a tantalizing year-and-a-half wait since the Mars Perseverance Rover touched down on our nearest planetary neighbor, new data is arriving—and bringing with it a few surprises.
Planetary Sciences
Aug 25, 2022
3
2001
Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that placing a metal cap ...
Optics & Photonics
Nov 22, 2011
25
0
The second of NASA's James Webb Space Telescope's four primary scientific instruments, known as the Mid-Infrared instrument (MIRI), has concluded its postlaunch preparations and is now ready for science.
Space Exploration
Jun 30, 2022
0
61
With its mirror segments beautifully aligned and its scientific instruments undergoing calibration, NASA's James Webb Space Telescope is just weeks away from full operation. Soon after the first observations are revealed ...
Astronomy
May 27, 2022
4
263
The identification of an eleventh-century Islamic astrolabe bearing both Arabic and Hebrew inscriptions makes it one of the oldest examples ever discovered and one of only a handful known in the world. The astronomical instrument ...
Archaeology
Mar 3, 2024
0
844
By analyzing the early data from the Dark Energy Spectroscopic Instrument (DESI), an international team of astronomers has identified 95 new extremely metal-poor galaxies at a low redshift. The finding is detailed in a paper ...
A thorough understanding of galaxy evolution depends in part on an accurate measurement of the abundance of metals in the intergalactic medium—the space between stars—but dust can impede observations in optical wavelengths. ...
Astronomy
Jun 1, 2022
1
818
On Sept. 26 at 4:30 p.m. EDT (1630 UTC), the MODIS instrument aboard NASA's Terra satellite captured a visible image of Hurricane Rosa. Credit: NASA Worldview, Earth Observing System Data and Information System (EOSDIS)
Environment
Sep 27, 2018
0
47
Here's something we don't see very often: an Earth-grazing meteoroid.
Astronomy
Sep 29, 2020
2
1742
A NASA spacecraft, Juno, has successfully peered into the giant storm raging on Jupiter, known as the Great Red Spot, and its first pictures should be out in days, the US space agency said Tuesday.
Space Exploration
Jul 11, 2017
0
818
