The Universe is a hologram: Stephen Hawking's final theory, explained by his closest collaborator
Closest Known Black Hole to Earth Identified Using ESA’s Gaia Astrometry Mission
Doomsday clock advances to 90 seconds to midnight — the closest to apocalypse it's ever been
Once-in-a-lifetime green comet makes closest approach to Earth in 50,000 years today
Stunning Green Comet Will Be Closest to Earth Today, at Peak Brightness
‘Green Comet’ Begins Closest Approach To Earth As A ‘Snow Moon’ Shines Near Mars: The Night Sky This Week
Green comet C/2022 E3 (ZTF) will be closest to Earth on Feb. 1. Here's how to see it.
‘Extraordinary’ footage shows one of the closest known approaches of a near-Earth object — On 26 Jan. 2023, asteroid 2023 BU was about 2,200 miles above the surface of the Earth
Newly discovered asteroid will make one of the closest approaches of Earth | CNN
NASA System Predicts Small Asteroid to Pass Close by Earth This Week. Asteroid 2023 BU is about the size of a box truck and is predicted to make one of the closest approaches by a near-Earth object ever recorded.
Asteroid 2023 BU about to pass Earth in one of closest ever encounters
Asteroid to zoom past Earth in one of the closest encounters ever recorded
Rare green comet C/2022 E3 is about to make its closest pass by Earth
Comet C/2022 E3 (ZTF) shines bright while closest to the sun in gorgeous photo
Asteroid 2023 BU to fly past Earth at 0.03 LD on January 26 - fourth closest on record
The new moon is the closest in nearly 1,000 years tonight
‘King Tides’ Feared Next Week In Wake Of Closest ‘Super New Moon’ For Almost A Millennium
UGC 4211’s Pair of Supermassive Black Holes is Closest to Colliding Ever Seen
See a possible naked-eye comet at its closest to the sun on Thursday (Jan. 12)
What time will newfound comet be closest to the sun next week?