NASA's Lucy asteroid mission already faced a busy itinerary with seven different space-rock targets. Now, the team has discovered that one of those asteroids has a tiny companion.
A spacecraft that died in 2017 is still providing insights about Saturn, the planet it studied up close for 13 years.
Scientists have spotted evidence of Jupiter-like stripes in the thick atmosphere of a nearby brown dwarf, a new study reports — and this evidence was gathered in a novel way.
Using NASA space lasers, scientists have tracked how ice sheets in Greenland and the Antarctic have changed over the last 16 years, showing the drastic effects of climate change.
Astrophysicist Katie Mack will talk about the end of the universe today (May 6), and you can follow the discussion live — and even ask her a question, if you'd like.
A newfound black hole may be the closest black hole to Earth, and you can spot its cosmic home in the night sky without a telescope.
On April 27, something caught the eyes of astronomers poring through data gathered by the Pan-STARRS Observatory in Hawaii: a previously unknown space rock, and one that was very close to Earth.
An unusually strong polar vortex kept an ozone hole open over the North Pole for nearly a month — now, it's finally shut again.
Right now, key measurements of the universe's expansion are contradicting each other. A lost form of dark matter could help them agree.
Life can thrive in a 100% hydrogen atmosphere, according to a new study. The finding could completely change our understanding of how (and where) life might exist in the universe.
Scientists have gotten their best look to date at three chaotic patches on the icy surface of Jupiter's moon Europa thanks to decade-old images from a long-defunct spacecraft.
As scientists continue to weigh in, one thing is clear: the "monster black hole" discovered in 2019 doesn't exist.
The moon isn't "dead" after all: Newly discovered ridges on the moon's surface are leading scientists to think that the moon might have an active tectonic system.
The sun offers plenty of brainteasers: Right now, for instance, it's sporting magnetic knots formed by two different cycles — simultaneously.
The United Arab Emirates had its sights set on Mars the day before it launched its second satellite ever.
A newly discovered asteroid about the size of a bus will zip safely by Earth today (May 3), passing at a distance just over halfway to the moon.