Our coverage sheds light on the boundless darkness, the physical violence and the mysterious, awesome reaches of our universe. We ponder how it all began and about our place in the cosmos: Are we alone? Is there life on other planets? Will interplanetary travel save the human race? We also explore space through images, videos and illustration.
Some scientists have been poking at the foundations of dark energy, but many say the concept remains on solid, if mysterious, ground.
That’s when the two stars in the binary system V Sagittae are set to merge in a spectacularly luminous fashion.
Upcoming cool science stories for 2020.
The SETI Institute leads the hunt for extraterrestrials, which has entered a new phase with myriad planets to focus on.
Data from the second probe to reach interstellar space helps scientists form a more complete picture of the boundary between the sun and the stars.