The Solar System

Skywatching
Skywatching Tips
The Solar System
Mercury shines at its brightest for the year, the Lyrid meteor shower peaks, and a bright new comet makes an appearance in April’s night sky.
Posted March 26, 2026
Astrophysics Division
Comets
Goddard Space Flight Center
Hubble Space Telescope
Planetary Science
Small Bodies of the Solar System
The Solar System
Astronomers using NASA’s Hubble Space Telescope have found evidence that the spinning of a small comet slowed and then reversed its direction of rotation, offering a dramatic example of how volatile activity can affect the spin and physical evolution of small bodies in the solar system. This is the first time researchers have observed evidence […]
Posted March 26, 2026
Astrophysics
Astrophysics Division
Comets
Goddard Space Flight Center
Hubble Space Telescope
Small Bodies of the Solar System
The Solar System
In a happy twist of fate, NASA’s Hubble Space Telescope just witnessed a comet in the act of breaking apart. The chance of that happening while Hubble watched is extraordinarily minuscule. The findings published Wednesday in the journal Icarus. The comet K1, whose full name is C/2025 K1 (ATLAS)—not to be confused with interstellar comet […]
Posted March 18, 2026
Skywatching
Skywatching Tips
The Solar System
What are some skywatching highlights in March 2026? A total lunar eclipse blood moon takes centre stage, Venus and Saturn cozy up for a conjunction, and we celebrate the vernal equinox.
Posted March 2, 2026
Chandra X-Ray Observatory
Astrophysics
Jupiter
Marshall Astrophysics
Marshall Space Flight Center
Planets
Saturn
Science & Research
Sonifications
The Solar System
Uranus
In late February, people in the Northern Hemisphere can look up for a special sight: six planets will all be visible from clear and dark night skies. New sonifications from NASA’s Chandra X-ray Observatory released Feb. 25 will help commemorate this latest “planetary parade.” Because the planets in our solar system travel around the Sun […]
Posted February 25, 2026
Skywatching
Skywatching Tips
The Solar System
NASA’s Artemis II mission has its first opportunity to launch to the moon, Orion the Hunter takes center stage, and a planetary parade marches across the night sky.
Posted January 30, 2026
Earth
Earth's Moon
Eclipses
Lunar Eclipses
Skywatching
The Solar System
The Sun
Uncategorized
A total lunar eclipse will redden the Moon on March 3, 2026. Here’s what you need to know. 
Posted January 29, 2026
Dragonfly
Astrobiology
Langley Research Center
Missions
Planetary Science
Planetary Science Division
Science Mission Directorate
The Solar System
Titan
In sending a car-sized rotorcraft to explore Saturn’s moon Titan, NASA’s Dragonfly mission will undertake an unprecedented voyage of scientific discovery.
Posted January 9, 2026
Skywatching
Skywatching Tips
The Solar System
Jupiter is at its biggest and brightest all year, the Moon and Saturn pair up, and the Beehive Cluster buzzes into view.
Posted January 5, 2026
Perseverance (Rover)
Jet Propulsion Laboratory
Mars
Mars 2020
The Solar System
After nearly five years on Mars, NASA’s Perseverance rover has traveled almost 25 miles (40 kilometers), and the mission team has been busy testing the rover’s durability and gathering new science findings on the way to a new region nicknamed “Lac de Charmes,” where it will be searching for rocks to sample in the coming […]
Posted December 17, 2025
Sign up for our newsletter:

Categories

17
13
1
10
1
202
1
11
159
29
14
6
208
1
30
46
2
1
3
2
10
11
3
4
2
47
1
2
4
14
2
3
1
19
3
1
14
6
3
1
3
16
7
361
21
6
1
1
1
3
1
38
1
7
278
232
5
1
62
1
10
17
1
13
10
4
Io
5
3
1
27
67
9
112
1
4
14
2
385
657
6
1
6
1

Recent Posts

Newsletter Archive