All Stories by Lisa Grossman
- Astronomy
The cosmic ‘Cow’ may have produced a new neutron star or black hole
A bright, mysterious blast of extragalactic light appears to have spawned a small, compact object.
- Planetary Science
Ingenuity is still flying on Mars. Here’s what the helicopter is up to
NASA’s Ingenuity craft was originally planned to operate only 30 Martian days.
- Planetary Science
This tiny, sizzling exoplanet could be made of molten iron
A newly discovered exoplanet that whips around its star in less than eight hours is smaller than Earth, as dense as iron and hot enough to melt.
- Astronomy
Astronomers have found the Milky Way’s first known ‘feather’
Named for the glacier that feeds India’s longest river, the Gangotri wave spans up to 13,000 light-years and bridges two of our galaxy’s spiral arms.
- Planetary Science
Pluto’s dark side reveals clues to its atmosphere and frost cycles
Light from Pluto’s moon Charon illuminated the dwarf planet’s farside offering clues about how nitrogen cycles between its surface and its atmosphere.
- Astronomy
Astronomers may have spotted the first known exoplanet in another galaxy
The spiral-shaped Whirlpool galaxy may be the host of the first planet spotted outside of the Milky Way.
- Space
5 cool things to know about NASA’s Lucy mission to the Trojan asteroids
NASA’s Lucy is the first spacecraft to head to the two giant clumps of space rocks that tag along in Jupiter’s orbit.
- Astronomy
When James Webb launches, it will have a bigger to-do list than 1980s researchers suspected
The James Webb Space Telescope has been in development for so long that space science has changed in the meantime.
- Astronomy
Space rocks may have bounced off baby Earth, but slammed into Venus
New simulations suggest a way to help explain dramatic differences between the sibling worlds.
- Astronomy
Satellite swarms may outshine the night sky’s natural constellations
Simulations suggest that satellite “mega-constellations” will be visible to the naked eye all night long in some locations.
- Planetary Science
NASA’s Perseverance rover snagged its first Martian rock samples
Two tubes of stone drilled from a basalt rock nicknamed Rochette are the first from Mars slated to eventually return to Earth.
- Astronomy
New ideas on what makes a planet habitable could reshape the search for life
New definitions of “habitable worlds” could include planets with global oceans under a steamy hydrogen atmosphere or exclude ones that started out habitable but lost all their water.
