Astronomers tend to have a slightly different sense of time than the rest of us. They regularly study events that happened millions or billions of years ago, and objects that have been around for just as long. That's partly ...
Astronomy
Jun 17, 2020
34
4125
This image from the NASA/ESA Hubble Space Telescope features Arp 72, a very selective galaxy group that only includes two galaxies interacting due to gravity: NGC 5996 (the large spiral galaxy) and NGC 5994 (its smaller companion, ...
Astronomy
Apr 8, 2024
0
51
New findings from NASA's Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars.
Space Exploration
Sep 28, 2015
34
3710
NASA's Perseverance rover cored and stored the first sample of the mission's newest science campaign on Thursday, March 30. With each campaign, the team explores and studies a new area. On this one, the rover is exploring ...
Planetary Sciences
Apr 1, 2023
1
533
The sun emitted a strong solar flare, peaking at 10:37 a.m. ET on May 29, 2024. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.
Astronomy
May 30, 2024
0
128
What would it be like to actually land on Pluto? This movie was made from more than 100 images taken by NASA's New Horizons spacecraft over six weeks of approach and close flyby in the summer of 2015. The video offers a trip ...
Space Exploration
Jan 20, 2017
2
1405
Do aliens exist? Extraterrestrial life has never been discovered. However, that doesn't mean it doesn't exist.
Space Exploration
Sep 9, 2021
10
104
Just weeks before the historic encounter of comet C/2013 A1 (Siding Spring) with Mars in October 2014, NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft entered orbit around the Red Planet. To protect sensitive ...
Space Exploration
Mar 10, 2016
441
1849
When it launches in October, the agency's Europa Clipper spacecraft will carry a richly layered dispatch that includes more than 2.6 million names submitted by the public.
Space Exploration
Mar 8, 2024
2
279
Three billion years ago, amid one of the last wet periods on Mars, powerful debris flows carried mud and boulders down the side of a hulking mountain. The debris spread into a fan that was later eroded by wind into a towering ...
Planetary Sciences
Sep 18, 2023
0
299
