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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.

'A genuine surprise': Near-Earth asteroid Ryugu once had 'flowing water' that transformed its insides
By Harry Baker published
A new analysis of asteroid Ryugu hints that the "potentially hazardous" space rock once had flowing water in its core, possibly leftover from the impact that created it.

Scientists measure the 'natal kick' that sent a baby black hole careening through space for the first time
By Sophie Berdugo published
Two black holes merged together 2.4 billion light years away from Earth, and scientists have just figured out how fast the newborn ricocheted, and in which direction.

James Webb telescope's 'starlit mountaintop' could be the observatory's best image yet — Space photo of the week
By Jamie Carter published
The James Webb Space Telescope has captured infant stars carving peaks of dust and gas in the Pismis 24 star cluster.

Science history: Gravitational waves detected, proving Einstein right — Sept. 14, 2015
By Tia Ghose published
When LIGO detected gravitational waves unleashed from two colliding black holes for the first time in science history, it set off a whole new era in astronomy.
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