A string of lights that lobbed across the night sky in parts of the U.S. on Wednesday, Thursday and Friday had some people wondering if a fleet of UFOs was coming, but it had others— mostly amateur stargazers and professional ...
Space Exploration
May 9, 2021
12
1298
Look up into the night sky and count the moons. You can see only one moon, "the" Moon. But does the Earth have any other moons? Around the Solar System, multiple moons are the rule. Jupiter has 67 natural satellites, even ...
Space Exploration
Jul 5, 2013
7
2
A new map of the universe displays for the first time the span of the entire known cosmos with pinpoint accuracy and sweeping beauty.
Astronomy
Nov 17, 2022
1
976
An asteroid as big as the Rock of Gibraltar will streak past Earth on April 19 at a safe but uncomfortably close distance, according to astronomers.
Space Exploration
Apr 14, 2017
0
3422
A top goal in cosmology is to precisely measure the total amount of matter in the universe, a daunting exercise for even the most mathematically proficient. A team led by scientists at the University of California, Riverside, ...
Astronomy
Sep 28, 2020
140
5544
Astronomers announced the discovery of a ghostly, almost perfectly circular, arc of ultraviolet emission centered on the handle of the Big Dipper and stretching 30 degrees across the Northern sky. If the arc were extended, ...
Astronomy
Jun 3, 2020
2
3730
With the launch period of NASA's Mars 2020 Perseverance rover opening in 14 weeks, final preparations of the spacecraft continue at the Kennedy Space Center in Florida. In the past week, the assembly, test and launch operations ...
Space Exploration
Apr 10, 2020
9
3431
A group of astronomers have shown that the fastest-moving stars in our galaxy - which are travelling so fast that they can escape the Milky Way - are in fact runaways from a much smaller galaxy in orbit around our own.
Astronomy
Jul 4, 2017
3
1272
Now's the time to catch Mars in the night sky.
Space Exploration
Jul 24, 2018
0
4557
By mapping the motion of galaxies in huge filaments that connect the cosmic web, astronomers at the Leibniz Institute for Astrophysics Potsdam (AIP), in collaboration with scientists in China and Estonia, have found that ...
Astronomy
Jun 15, 2021
35
6475
