An object arrived from beyond our solar system this summer. Scientists are now debating whether it blew itself apart near the Sun — or whether the numbers point to something unusual about what this object really is.
An object arrived from beyond our solar system this summer. Scientists are now debating whether it blew itself apart near the Sun — or whether the numbers point to something unusual about what this object really is.
A veteran NASA scientist has detected identical mysterious pulses from two distant stars that defy all natural explanation, suggesting something unknown may be lurking closer to Earth than we dare imagine.