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Space
Shape of a supernova detected 1 day after explosion
Astronomers used quick work to point a telescope at a supernova blast and detected the shape of a supernova just one day later.
November 16, 2025
Earth
Sun
Sun news: Sunspots exit, new solar winds stir Earth
Sun news November 16, 2025: Sun activity remained moderate as AR4274 fired an M3.1 flare and C flares from beyond the limb, keeping space weather elevated.
Astronomy Essentials
Tonight
Visible planets and night sky guide for November
Visible planets and night sky guide. Leonid meteors to peak after midnight tonight! Find out more in this video. And look for the crescent moon before dawn.
November 16, 2025
Tonight
See the Summer Triangle in the northern autumn sky
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.
November 16, 2025
Space
Our solar system is moving 3 times faster than expected
A new study suggests that our solar system is moving 3 times faster than expected. The new result might conflict with the standard model of cosmology.
November 14, 2025
Astronomy Essentials
Leonid meteor shower: All you need to know in 2025
2025's Leonid meteor shower will peak on the morning of November 17, 2025. Watch for meteors after midnight until dawn. Moonlight will not interfere in 2025.
November 14, 2025
Space
Whoa! Universe’s expansion slowing down?! See a video
We thought we lived in a rapidly accelerating expanding universe after all. But new research suggests the universe's expansion is already slowing.
November 14, 2025
Constellations
Pegasus the Flying Horse, and the best sky story ever
Pegasus the Flying Horse is the 7th largest constellation. It dominates fall skies in the Northern Hemisphere and has a famous asterism called the Great Square.
November 14, 2025
Space
Spaceflight
ESCAPADE mission successfully launches toward Mars
On November 13, 2025, a Blue Origin New Glenn rocket successfully launched the ESCAPADE mission and its twin probes - Blue and Gold - to Mars.
November 13, 2025
Space
Could black hole shadows reveal new theories of gravity?
A new international study proposes how astronomers could use future improved images of black hole shadows to test alternative theories of gravity.
November 13, 2025
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