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4 large asteroids, including a skyscraper-size 'city killer,' will zoom past Earth in a 12-hour span tomorrow (Oct. 24)Four "potentially hazardous" space rocks, which are between 100 and 580 feet across, will all make their closest approaches to Earth within less than 12 hours of one another on Thursday (Oct. 24). Two of them were only discovered earlier this month.
asteroids -
How old is planet Earth?How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon.
planets -
Listen to haunting sounds of Earth's magnetic field flipping 41,000 years ago in eerie new animationA new video shows how Earth's magnetic field weakened and warped before temporarily flipping during a recent "polar reversal event."
geology -
Rare illusion gives 'once-in-a-lifetime' comet a seemingly impossible 2nd tail after closest approach to Earth for 80,000 yearsNew photos of comet Tsuchinshan-ATLAS appear to show a faint "anti-tail" pointing away in the wrong direction. The puzzling extra limb is the result of a rare illusion that is only possible when our planet is in a certain position.
comets -
Monster X-class flare launches massive solar storm towards Earth — and could trigger auroras this weekendThe sun just unleashed one of its largest solar explosions in recent years, temporarily causing a radio blackout on Earth and spitting out a coronal mass ejection that will likely collide with our planet this weekend.
the-sun -
Astronomers spot a possible 'future Earth' — 8 billion years into its futureThe rocky planet, roughly twice Earth's size, has offered astronomers a glimpse of one of Earth’s possible futures — if it doesn’t get engulfed by our expanding sun.
exoplanets -
ESA's JUICE spacecraft confirmed Earth is habitable. Here's whyJUICE successfully identified water and the building blocks of life in Earth's atmosphere. In doing so, the probe headed for Jupiter's moons confirmed that its instruments are working properly.
space-exploration -
Earth once wore a Saturn-like ring, study of ancient craters suggestsThe ring could be responsible for a prolonged drop in temperatures millions of years ago.
asteroids -
Earth's new 'mini-moon' will orbit our planet for the next 2 monthsA tiny asteroid will orbit around our planet for 53 days from the end of September.
asteroids
