Palomar 5 is being gravitationally stripped away, with only its most massive residents left behind.
An explosion in the early universe gave way to a star that is loaded with heavy elements.
Capable of moving like an inchworm, the “smart spacewalker” will launch to the ISS on July 15.
It's further evidence that planets without stars are surprisingly common in the Milky Way.
The Martian craft flew far from the Perseverance rover this time, crossing treacherous dunes.
The European Space Agency tested the vital component of the upcoming Mars mission last week.
The object is the smallest white dwarf ever recorded—but, counterintuitively, it's also the most massive.
The Astronomy Photographer of the Year competition showcased some of the best photos from the cosmos year after year.
The massive collisions occurred a billion years ago, sending out ripples in spacetime that eventually reached Earth.
The former star SN 2018zd may have collapsed from within when its electrons were gobbled up by neon.
The 530-pound, six-wheeled vehicle landed in Utopia Planitia on May 14.
Unexpectedly, the new research also shows that Jupiter may be capable of sustaining microbial life deep within its cloud layer.
Company founder Richard Branson is now in a position to reach space before Jeff Bezos and Elon Musk.
Temperatures around the Martian south pole mean the lakes are likely to be frozen.
Liftoffs won't begin until 2024, but the six-hour trip features a 360-view that's out of this world.
The space agency might have to resort to a backup computer that hasn't booted up since 2009.
It was the Martian helicopter’s eighth flight, an achievement that once again demonstrated the craft's success.
China also plans to establish a Martian base during follow-up missions in 2035, 2037, 2041 and 2043.
The stationary lander’s extended mission was supposed to last until December 2022.
The findings could be of assistance to SETI researchers.