Space.com
We have curated some stories from Space.com; click on the links below to read the full story.
- Was Elon in the room where it happened? This senator still wants to know
by mwall@space.com (Mike Wall) on 4th December 2025 at 8:00 pmAs he did eight months ago, Sen. Ed Markey asked Jared Isaacman if Elon Musk was in the room when President Trump first offered him the job of NASA chief. And, once again, Isaacman demurred.
- Rare solar flare caused radiation in Earth's atmosphere to spike to highest levels in nearly 20 years, researchers say
by tereza.pultarova@futurenet.com (Tereza Pultarova) on 4th December 2025 at 7:00 pmLevels of potentially dangerous cosmic radiation in Earth's atmosphere rose to a two-decade high in November after a rare solar super-flare pummeled the planet with high-speed particles from the sun.
- Mercury is hard to spot, but you can catch it in the morning sky this month
on 4th December 2025 at 6:00 pmIf you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.
- Rare images reveal active sunspots minutes before they unleashed powerful X-flares that caused November 2025's stunning auroras
on 4th December 2025 at 5:00 pmWe don't often get a good look at X-class solar flares from ground-based observatories.
- Watch the 'PC Gaming Show: Most Wanted' for updates on High on Life 2, Remnant Protocol, plus more cool sci-fi & space games
on 4th December 2025 at 4:38 pmCheck out the PC Gaming Show: Most Wanted stream and see the sci-fi and space games you'll be playing in 2026 and beyond.
NASA.com
For some stories from NASA.com, click the links below to read the full story.
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Image of the Day
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Space Station News
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Astronomy Now
Below are some stories from Astronomy News from the Astronomy Now website
- The Solar and Heliospheric Observatory Celebrates 30 Years in Space
by David Dickinson on 4th December 2025 at 7:52 pmThe groundbreaking mission designed to observe our Sun and its interactions with Earth celebrates three decades in space this week. The post The Solar and Heliospheric Observatory Celebrates 30 Years in Space appeared first on Sky & Telescope.
- Boosting the Gravitational Wave Backgroundby AAS Nova on 3rd December 2025 at 6:24 pm
Why is the gravitational-wave background — the hum made by supermassive black holes colliding across the universe — stronger than expected? The post Boosting the Gravitational Wave Background appeared first on Sky & Telescope.
Night Sky News from Astronomy Now
- This Week's Sky at a Glance, November 28 – December 7by Alan MacRobert on 28th November 2025 at 9:51 am
Saturn remains super-thin-ringed high after dark. The interstellar comet, 11th magnitude, is now nice and high in the dark before dawn. Don't wait; moonlight approaches. The post This Week's Sky at a Glance, November 28 – December 7 appeared first on Sky & Telescope.
- This Week's Sky at a Glance, November 21 – 30by Alan MacRobert on 21st November 2025 at 10:17 am
Saturn's rings are now the closest to edge on that they'll get. The famous interstellar comet has become higher and easier for amateur telescopes before dawn. The post This Week's Sky at a Glance, November 21 – 30 appeared first on Sky & Telescope.