Jared Isaacman, billionaire who's flown with SpaceX, confirmed to lead NASA
President Trump withdrew Isaacman's nomination for NASA administrator in April, before nominating him again in November.
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President Trump withdrew Isaacman's nomination for NASA administrator in April, before nominating him again in November.
NASA continues to aim its space telescopes at the visiting ice ball, estimated to be up to 3.5 miles in size.
NASA has lost contact with a spacecraft that's been orbiting Mars for more than a decade.
Samples collected from the asteroid Bennu are continuing the shed light on the origins of the solar system and how life developed on Earth, scientists say.
Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.
Researchers have documented 55 instances of "mini lightning" over two Martian years by eavesdropping on the whirling wind recorded by NASA's Perseverance rover.
The new space station crew includes American Chris Williams, who holds a Ph.D. in astronomy and is a board-certified medical physicist at Harvard Medical School.
The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.
The Sentinel-6B is the second of two satellites in a $1 billion program to monitor sea levels over a full decade.
Blue Origin, owned by Jeff Bezos, plans to challenge SpaceX with the powerful, partially reusable New Glenn rocket.
The images taken by two Mars orbiters show a bright, fuzzy white dot of the comet, also known as 3I/ATLAS, appearing to move against a backdrop of distant stars.
Bill Nye the Science Guy on Monday protested against a federal budget proposal that would see NASA's funding reduced from $24 billion to $18.8 billion.
The new selection of NASA astronauts will spend two years in training before becoming eligible for flight assignments.
The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather, NASA said.
NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life.
Exoplanet TRAPPIST-1 e may contain an atmosphere and liquid water, NASA scientists said. Research into the exoplanet is ongoing.
SpaceX hopes to pick up the pace with Super Heavy-Starship test flights amid concern the rocket may not be ready in time for a planned 2027 moon landing.
Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to pass our way.
About 3,870 employees have applied to depart NASA over two rounds through the Trump administration's deferred resignation program, the agency disclosed.
The Cat's Paw Nebula is about 4,000 light-years from Earth, near the constellation Scorpius.
The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, NASA said.
The Hubble Space Telescope "opened a new window to the universe" when it launched into space. Now, 35 years later, NASA is releasing some stunning images to celebrate.
This asteroid is bigger than scientists anticipated, about 5 miles long and 2 miles wide at its widest point — resembling a deformed peanut.
The flyby is a dress rehearsal for 2027 when Lucy reaches its first so-called Trojan asteroid near Jupiter.
Jared Isaacman, President Trump's nominee to lead NASA, tells lawmakers the space agency can return astronauts to the moon while pursuing flights to Mars.
