Image of the Day By Hanneke Weitering The Milky Way glitters in the predawn sky over Portugal's Guadiana River in this image by astrophotographer Sérgio Conceição.
83 Gargantuan Black Holes Spotted Guzzling Down Dinner at the Edge of the Universe By Stephanie Pappas The supermassive black holes were birthed during the universe's infancy.
Space Orbiter Spots 'Hairy Blue Spider' on Mars By Mindy Weisberger Bowie was right; there really is a "spider" from Mars.
'Space's Deepest Secrets' Probes Mystery of 'Oumuamua Tonight (Video) By Kasandra Brabaw The Science Channel series "Space's Deepest Secrets" returns tonight (March 19) at 10 p.m. EDT with a look at a mysterious interstellar visitor.
Early Earth's Spin Helped Shape Its Molten Magma Ocean By Stephanie Pappas The early Earth's worldwide sea of magma may have been shaped by the young planet's rapid spin.
Physicists Reverse Time for Tiny Particles Inside a Quantum Computer By Meredith Fore The "arrow of time" went backward inside this tiny quantum computer.
How Did We Figure Out Atoms Exist? By Paul Sutter The concept of atoms had been floating around off and on for a few millennia, but it took some clever experimentation to pinpoint their existence.
What’s the Closest Planet to Earth? Not Venus, Scientists Say By Yasemin Saplakoglu That acronym you learned to memorize the order of the planets has led you astray.
Does Light Experience Time? And Other Riddles. By Paul Sutter We don't understand the concept of time much at all.
Era of Big NASA Space Telescopes May Be Ending By Mike Wall If the White House's proposed 2020 budget is enacted, NASA won't have the money to develop an ambitious, big-budget space telescope for the foreseeable future.
Cosmic Bat Nebula Photographed by ESO's Very Large Telescope By Samantha Mathewson A new image from the European Southern Observatory captures a cosmic bat tucked away in one of the darkest corners of the Orion constellation.
CHIME: Mapping the Early Universe By Charlie Wood The CHIME radio telescope aims to explain two poorly understood cosmic phenomena, one dating back to the early universe and one taking place today.
Why Are These Massive, Baby Stars Orbiting So Close Together? By Rafi Letzter This massively bright "star" is actually two stars.
Ice Samples Reveal a Massive Sun Storm Hit Earth in Ancient Times...And It Could Happen Again By Charles Q. Choi A gigantic solar storm hit Earth about 2,600 years ago, one about 10 times stronger than any solar storm recorded in the modern day, a new study finds.
A Strange, Sleeping Magnetar Just Woke Up After a Decade of Silence By Rafi Letzter A particularly odd, spinning star has woken up, and it's spitting bright flashes of radio waves at us again.
World's Biggest Telescope Array, the SKA, Gets a Governing Body By Mike Wall The largest science facility on Earth just took a big step from concept to reality.
