New Stars Found In The Milky Way Were Born Outside Of ItAstronomers have found a new stream of stars in our Milky Way galaxy, but they likely didn't originate there, according to a new study.
Pluto May Have Started Hot And Contained An Ocean, According To New DiscoveryResearchers have long thought that Pluto began as an icy sphere when it formed in the Kuiper Belt, a home to cold, dark objects on the edge of our solar system.
Astronomers Find The Closest Black Hole To Earth, 1,000 Light-Years AwayA black hole has been discovered 1,000 light-years from Earth, making it the closest black hole to our solar system ever found.
Scientists Get First Look Inside Comet From Outside Our Solar SystemWhen interstellar comet 2I/Borisov entered our solar system last year, this time capsule from another place in the universe opened and revealed information about its origin, according to new research.
2nd Interstellar Visitor To Our Solar System Confirmed And NamedAn unusual object detected streaking across the sky last month was a comet that originated outside our solar system, observations have confirmed, becoming only the second observed interstellar object to cross into our solar system.
'Rare Species' Of Asteroid Spotted In Our Solar SystemAn odd kind of asteroid has been hiding out in our solar system, close to Venus, and it took a new state-of-the-art surveying camera to detect it.
Another 8-Planet Solar System Discovered 2,500 Light Years AwayAnother eight-planet solar system has been discovered orbiting a star 2,500 light years away called the Kepler-90 System.
Spacecraft Reveals Beauty Of Solar System's Biggest StormA NASA spacecraft circling Jupiter is revealing the up-close beauty of our solar system's biggest planetary storm.
Hubble Space Telescope Discovering The Many Moons In Our Solar SystemIt turns out there are a lot more moons in our solar system than many of us suspected.
Md.-Made Instruments Help NASA Collect Debris From CometThere's nothing like being at the right place at the right time. That includes the planet Mars.
Comet On Near-Collision Course With The Red PlanetMars is facing a close call this weekend. A rare comet will pass by the planet at an extremely close distance.
Thanksgiving Day Show In The Sky! Comet Ison Makes Close Encounter With The SunClose encounter! All eyes were on outer space as a comet barreled toward the sun. Would it survive this dangerous journey?
If The Sun Doesn't Blast It, Comet ISON Will Soon Light Up The SkySoon, for weeks as a time, a large object is expected to light the night sky. it could be wonderful or a total bust.
Stargazers Watch The Transit Of Venus, A Rare Celestial EventIt was a once-in-a-lifetime sighting up in the sky. The transit of Venus—when the planet passes in front of the sun—is a rare phenomenon.
Johns Hopkins Plays Role In 1st Spacecraft In Mercury’s Orbit A first for the American space program, and Johns Hopkins University plays a critical role. Together with NASA, its applied physics lab attempted to put the first spacecraft into Mercury’s orbit.