NASA will reveal new images of interstellar object Comet 3I/ATLAS at 2 p.m. on November 19, 2025. These images are from multiple missions. Watch here!
The post NASA to share images of interstellar object Comet 3I/ATLAS first appeared on EarthSky. Continue Reading »
In the late 1970s, NASA declared 'no life on Mars' when the Viking landers failed to find organic molecules (but they did). So was that conclusion a mistake?
The post Was NASA’s ‘no life on Mars’ conclusion in the 70s wrong? first appeared on EarthSky. Continue Reading »
Uranus reaches opposition on November 21. At this time, it's brightest for the year and visible to the eye under optimum observing conditions.
The post Uranus at opposition on November 21, 2025 first appeared on EarthSky. Continue Reading »
Sun news November 18, 2025: October's newly announced sunspot number continues the downward trend of solar activity, but we're still not beyond solar maximum.
The post Sun news: Update on Solar Cycle 25 as solar max continues first appeared on EarthSky. Continue Reading »
Visible planets and night sky guide. Look for Jupiter and Saturn in the mid-to-late November evening sky. Jupiter will shine among the stars of Gemini.
The post Visible planets and night sky guide for November first appeared on EarthSky. Continue Reading »
Meet Hamal, the brightest star in Aries, and learn why people sometimes refer to the March equinox point as the First Point in Aries.
The post Meet Hamal, an ancient equinox star, in Aries the Ram first appeared on EarthSky. Continue Reading »
Thieving seagulls judge your every word. Shout loud, save your fries, and savor the sweet victory of a lunch defended. This is beach war!
The post Thieving seagulls and the human snack wars: Shouting works first appeared on EarthSky. Continue Reading »
Astronomers have found new evidence that dying stars destroy their planets - with the closest planets at greatest risk - as the stars swell up into red giants.
The post Dying old stars destroy their planets, new research shows first appeared on EarthSky. Continue Reading »
Astronomers used quick work to point a telescope at a supernova blast and detected the shape of a supernova just one day later.
The post Shape of a supernova detected 1 day after explosion first appeared on EarthSky. Continue Reading »
Look west in the evening to see the Summer Triangle in autumn. Its 3 bright stars - Vega, Deneb and Altair - are in 3 different constellations.
The post See the Summer Triangle in the northern autumn sky first appeared on EarthSky. Continue Reading »
NASA will reveal new images of interstellar object Comet 3I/ATLAS at 2 p.m. on November 19, 2025. These images are from multiple missions. Watch here!
The post NASA to share images of interstellar object Comet 3I/ATLAS first appeared on EarthSky. 
In the late 1970s, NASA declared 'no life on Mars' when the Viking landers failed to find organic molecules (but they did). So was that conclusion a mistake?
The post Was NASA’s ‘no life on Mars’ conclusion in the 70s wrong? first appeared on EarthSky. 
Uranus reaches opposition on November 21. At this time, it's brightest for the year and visible to the eye under optimum observing conditions.
The post Uranus at opposition on November 21, 2025 first appeared on EarthSky. 
Sun news November 18, 2025: October's newly announced sunspot number continues the downward trend of solar activity, but we're still not beyond solar maximum.
The post Sun news: Update on Solar Cycle 25 as solar max continues first appeared on EarthSky. 
Visible planets and night sky guide. Look for Jupiter and Saturn in the mid-to-late November evening sky. Jupiter will shine among the stars of Gemini.
The post Visible planets and night sky guide for November first appeared on EarthSky. 
Meet Hamal, the brightest star in Aries, and learn why people sometimes refer to the March equinox point as the First Point in Aries.
The post Meet Hamal, an ancient equinox star, in Aries the Ram first appeared on EarthSky. 
Thieving seagulls judge your every word. Shout loud, save your fries, and savor the sweet victory of a lunch defended. This is beach war!
The post Thieving seagulls and the human snack wars: Shouting works first appeared on EarthSky. 
Astronomers have found new evidence that dying stars destroy their planets - with the closest planets at greatest risk - as the stars swell up into red giants.
The post Dying old stars destroy their planets, new research shows first appeared on EarthSky. 
Astronomers used quick work to point a telescope at a supernova blast and detected the shape of a supernova just one day later.
The post Shape of a supernova detected 1 day after explosion first appeared on EarthSky. 
Look west in the evening to see the Summer Triangle in autumn. Its 3 bright stars - Vega, Deneb and Altair - are in 3 different constellations.
The post See the Summer Triangle in the northern autumn sky first appeared on EarthSky.