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'Shocking': Black hole found growing at 2.4 times the theoretical limit
By Brandon Specktor published
Scientists spotted an enormous black hole in the early universe that's growing at 2.4 times the theoretical Eddington limit. Studying it further could help answer one of the biggest questions in astrophysics.

Why does Pluto have such a weird orbit?
By Sara Hashemi published
The dwarf planet has a strange orbit and tilt — what gives?

'Like trying to see fog in the dark': How strange pulses of energy are helping scientists build the ultimate map of the universe
By Perri Thaler published
Astronomers are using radio pulses from space to find missing baryonic matter and learn about supermassive black holes, stellar formation and galaxy evolution.

Saturn will be at its biggest and brightest on Sept. 21 — here's how to see it
By Gretchen Rundorff published
In a once-a-year event, Saturn is about to reach opposition, with the ringed planet appearing its best and brightest as it approaches its closest point to Earth.

Skywatching alert! See 2 bright comets on the same night as a meteor shower this October
By Jamie Carter published
Comet C/2025 R2 (SWAN) can now be seen with binoculars close to Mars in the western sky after sunset.

'Dramatic' changes spotted in first black hole ever imaged
By Elizabeth Howell published
The polarization pattern around M87* — the first black hole to be directly imaged by the Event Horizon Telescope — has changed direction, and scientists aren't sure why.

See the moon, Venus and Regulus in a rare triple conjunction tomorrow
By Jamie Carter published
Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.

There's a 90% chance we'll see a black hole explode within a decade, physicists say
By Mark Thompson published
How often do black holes explode? New research refines old calculations, hinting that black hole explosions may be a once-in-a-decade occurence.

'The sun is slowly waking up': NASA warns that there may be more extreme space weather for decades to come
By Harry Baker published
A new NASA study suggests that solar activity will remain high or rise further in the coming decades, contradicting previous assumptions that the sun was quieting down — and scientists "don't completely understand" why.

Skyscraper-size asteroid previously predicted to hit us in 60 years will zoom past Earth on Thursday (Sept. 18) — and you can see it live
By Harry Baker published
The "potentially hazardous" asteroid 2025 FA22 will fly close past Earth at more than 24,000 mph on Thursday (Sept. 18). The space rock was previously predicted to have a slim chance of impacting our planet in 2089, temporarily earning it the top spot on a major risk list.
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