Astronomers have gotten better at tracking the motions of stars just beyond the solar system. But that’s made it harder to predict Earth’s future and reconstruct its past.
Tag: Solar System
As Stellar Observations Improve, Earth’s History and Future Get Fuzzier
Astronomers have gotten better at tracking the motions of stars just beyond the solar system. But that’s made it harder to predict Earth’s future and reconstruct its past.
Dante Lauretta on Life After Asteroid Bennu and OSIRIS-REx
Dante Lauretta, the planetary scientist who led the OSIRIS-REx mission to retrieve a handful of space dust, discusses his next final frontier.
Newly Discovered Asteroid Passes Close to Earth
First detected just days ago, 2023 BU approached within 2,200 miles of our planet’s surface before moving on.
How Long Is the Drive to the Edge of the Universe?
See you in a quadrillion years or so. Don’t forget to pack zillions of tons of snacks!
How Long Is the Drive to the Edge of the Universe?
See you in a quadrillion years or so. Don’t forget to pack zillions of tons of snacks!
Astronomers Find a New Trojan Asteroid Sharing Earth’s Orbit
The Trojan asteroid 2020 XL5, which follows the same path around the sun as our planet, was revealed only after a decade of searching.
Will the Next Space-Weather Season Be Stormy or Fair?
As another 11-year cycle of solar activity begins, scientists debate how violent our stellar friend is likely to be.
Once Upon a Time on Mars
A dune buggy is about to set off on behalf of its human owners to fulfill a primordial yearning.
Seven Hundred Leagues Beneath Titan’s Methane Seas
Mars, Shmars; this voyager is looking forward to a submarine ride under the icebergs on Saturn’s strange moon.