NASA telescope spots first alien ‘astrosphere’ around a sun-like star: Space photo of the week
quick facts What it is: HD 61005, a sun-like star nicknamed the “Moth” Where it is: About 117…
A faint cosmic hum could solve the Universe’s expansion mystery
For decades, astronomers have known that the universe is expanding. To determine how fast it is growing today,…
Snowball Earth’s liquid seas dipped way below freezing
This article was originally published at Eos. The publication contributed the article to Space.com’s Expert Voices: Op-Ed &…
What time is the blood moon total lunar eclipse on March 3?
A total lunar eclipse will occur on March 3, creating a dramatic red “blood moon” for skywatchers across…
Space travel is very, very bad for your health.
Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to…
This NASA technology meant for space now powers everyday life
For a very long time, space observation relied on CCD (charge-coupled device) sensors, including the Hubble Space Telescope.…
Lightning on Mars: NASA’s MAVEN Orbiter Reveals a Strange Phenomenon on the Red Planet
Researchers have identified powerful Martian electrical discharges, similar to lightning, and strong enough to be observed from orbit,…
Pluto has not completed a full orbit since its 1930 discovery
Astronomers have determined that on March 23, 2178, Pluto will finish its first full trip around the Sun…
The Sky Today on Saturday, February 28: Orion stands tall
Back to Article List The constellation Orion the Hunter is visible in the south after sunset this evening,…
Why scientists are reexamining the Lambda Cold Dark Matter Model
For decades, cosmologists believed they had a coherent framework describing how the Universe works on its largest scales.…
After 53 years flying past Venus and Mars, an old Soviet probe came back as a “new” object in orbit — and nobody cheered yet
For a brief moment, Earth’s neighborhood in space had a new visitor. Tracking systems flagged it. Lists updated.…
Third time still not a charm: Space One cancels rocket launch
Japan’s Space One on Sunday canceled the launch of its third Kairos small rocket, putting a dent in…